20163721215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1\times {\mathrm{487}}^1$

素因数の和:853

約数の個数: 128

約数和(自身を含む): 38048071680

約数和(自身を除く): 17884350465

約数列:

[1, 3, 5, 11, 15, 19, 33, 47, 55, 57, 95, 141, 165, 209, 235, 281, 285, 487, 517, 627, 705, 843, 893, 1045, 1405, 1461, 1551, 2435, 2585, 2679, 3091, 3135, 4215, 4465, 5339, 5357, 7305, 7755, 9253, 9273, 9823, 13207, 13395, 15455, 16017, 16071, 22889, 26695, 26785, 27759, 29469, 39621, 46265, 46365, 49115, 58729, 66035, 68667, 80085, 80355, 101783, 114445, 136847, 138795, 145277, 147345, 176187, 198105, 250933, 251779, 293645, 305349, 343335, 410541, 434891, 435831, 508915, 684235, 726385, 752799, 755337, 880935, 1254665, 1258895, 1304673, 1505317, 1526745, 2052705, 2174455, 2179155, 2600093, 2760263, 3763995, 3776685, 4515951, 4783801, 6431809, 6523365, 7526585, 7800279, 8280789, 13000465, 13801315, 14351403, 19295427, 22579755, 23919005, 28601023, 32159045, 39001395, 41403945, 70749899, 71757015, 85803069, 96477135, 122204371, 143005115, 212249697, 353749495, 366613113, 429015345, 611021855, 1061248485, 1344248081, 1833065565, 4032744243, 6721240405, 20163721215]

約数ペア:

[(1, 20163721215), (3, 6721240405), (5, 4032744243), (11, 1833065565), (15, 1344248081), (19, 1061248485), (33, 611021855), (47, 429015345), (55, 366613113), (57, 353749495), (95, 212249697), (141, 143005115), (165, 122204371), (209, 96477135), (235, 85803069), (281, 71757015), (285, 70749899), (487, 41403945), (517, 39001395), (627, 32159045), (705, 28601023), (843, 23919005), (893, 22579755), (1045, 19295427), (1405, 14351403), (1461, 13801315), (1551, 13000465), (2435, 8280789), (2585, 7800279), (2679, 7526585), (3091, 6523365), (3135, 6431809), (4215, 4783801), (4465, 4515951), (5339, 3776685), (5357, 3763995), (7305, 2760263), (7755, 2600093), (9253, 2179155), (9273, 2174455), (9823, 2052705), (13207, 1526745), (13395, 1505317), (15455, 1304673), (16017, 1258895), (16071, 1254665), (22889, 880935), (26695, 755337), (26785, 752799), (27759, 726385), (29469, 684235), (39621, 508915), (46265, 435831), (46365, 434891), (49115, 410541), (58729, 343335), (66035, 305349), (68667, 293645), (80085, 251779), (80355, 250933), (101783, 198105), (114445, 176187), (136847, 147345), (138795, 145277)]