20890633455

素因数分解:

$3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:308

約数の個数: 192

約数和(自身を含む): 40226554368

約数和(自身を除く): 19335920913

約数列:

[1, 3, 5, 9, 15, 27, 37, 43, 45, 81, 101, 107, 111, 129, 135, 185, 215, 243, 303, 321, 333, 387, 405, 505, 535, 555, 645, 909, 963, 999, 1161, 1215, 1515, 1591, 1605, 1665, 1935, 2727, 2889, 2997, 3483, 3737, 3959, 4343, 4545, 4601, 4773, 4815, 4995, 5805, 7955, 8181, 8667, 8991, 10449, 10807, 11211, 11877, 13029, 13635, 13803, 14319, 14445, 14985, 17415, 18685, 19795, 21715, 23005, 23865, 24543, 26001, 32421, 33633, 35631, 39087, 40905, 41409, 42957, 43335, 44955, 52245, 54035, 56055, 59385, 65145, 69015, 71595, 97263, 100899, 106893, 117261, 122715, 124227, 128871, 130005, 160691, 162105, 168165, 170237, 178155, 195435, 207045, 214785, 291789, 302697, 320679, 351783, 372681, 386613, 399859, 464701, 482073, 486315, 504495, 510711, 534465, 586305, 621135, 644355, 803455, 851185, 875367, 908091, 962037, 1055349, 1118043, 1199577, 1394103, 1446219, 1458945, 1513485, 1532133, 1603395, 1758915, 1863405, 1933065, 1999295, 2323505, 2410365, 2553555, 2626101, 3598731, 4182309, 4338657, 4376835, 4540455, 4596399, 4810185, 5276745, 5590215, 5997885, 6970515, 7231095, 7660665, 10796193, 12546927, 13015971, 13130505, 13789197, 17193937, 17993655, 20911545, 21693285, 22981995, 32388579, 37640781, 39047913, 41367591, 51581811, 53980965, 62734635, 65079855, 68945985, 85969685, 97165737, 112922343, 154745433, 161942895, 188203905, 195239565, 206837955, 257909055, 464236299, 485828685, 564611715, 773727165, 1392708897, 2321181495, 4178126691, 6963544485, 20890633455]

約数ペア:

[(1, 20890633455), (3, 6963544485), (5, 4178126691), (9, 2321181495), (15, 1392708897), (27, 773727165), (37, 564611715), (43, 485828685), (45, 464236299), (81, 257909055), (101, 206837955), (107, 195239565), (111, 188203905), (129, 161942895), (135, 154745433), (185, 112922343), (215, 97165737), (243, 85969685), (303, 68945985), (321, 65079855), (333, 62734635), (387, 53980965), (405, 51581811), (505, 41367591), (535, 39047913), (555, 37640781), (645, 32388579), (909, 22981995), (963, 21693285), (999, 20911545), (1161, 17993655), (1215, 17193937), (1515, 13789197), (1591, 13130505), (1605, 13015971), (1665, 12546927), (1935, 10796193), (2727, 7660665), (2889, 7231095), (2997, 6970515), (3483, 5997885), (3737, 5590215), (3959, 5276745), (4343, 4810185), (4545, 4596399), (4601, 4540455), (4773, 4376835), (4815, 4338657), (4995, 4182309), (5805, 3598731), (7955, 2626101), (8181, 2553555), (8667, 2410365), (8991, 2323505), (10449, 1999295), (10807, 1933065), (11211, 1863405), (11877, 1758915), (13029, 1603395), (13635, 1532133), (13803, 1513485), (14319, 1458945), (14445, 1446219), (14985, 1394103), (17415, 1199577), (18685, 1118043), (19795, 1055349), (21715, 962037), (23005, 908091), (23865, 875367), (24543, 851185), (26001, 803455), (32421, 644355), (33633, 621135), (35631, 586305), (39087, 534465), (40905, 510711), (41409, 504495), (42957, 486315), (43335, 482073), (44955, 464701), (52245, 399859), (54035, 386613), (56055, 372681), (59385, 351783), (65145, 320679), (69015, 302697), (71595, 291789), (97263, 214785), (100899, 207045), (106893, 195435), (117261, 178155), (122715, 170237), (124227, 168165), (128871, 162105), (130005, 160691)]