20123688006

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{7109}}^1$

素因数の和:7259

約数の個数: 128

約数和(自身を含む): 49144320000

約数和(自身を除く): 29020631994

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 31, 38, 54, 57, 62, 89, 93, 114, 171, 178, 186, 267, 279, 342, 513, 534, 558, 589, 801, 837, 1026, 1178, 1602, 1674, 1691, 1767, 2403, 2759, 3382, 3534, 4806, 5073, 5301, 5518, 7109, 8277, 10146, 10602, 14218, 15219, 15903, 16554, 21327, 24831, 30438, 31806, 42654, 45657, 49662, 52421, 63981, 74493, 91314, 104842, 127962, 135071, 148986, 157263, 191943, 220379, 270142, 314526, 383886, 405213, 440758, 471789, 632701, 661137, 810426, 943578, 1215639, 1265402, 1322274, 1415367, 1898103, 1983411, 2431278, 2830734, 3646917, 3796206, 3966822, 4187201, 5694309, 5950233, 7293834, 8374402, 11388618, 11900466, 12021319, 12561603, 17082927, 19613731, 24042638, 25123206, 34165854, 36063957, 37684809, 39227462, 58841193, 72127914, 75369618, 108191871, 113054427, 117682386, 176523579, 216383742, 226108854, 324575613, 353047158, 372660889, 529570737, 649151226, 745321778, 1059141474, 1117982667, 2235965334, 3353948001, 6707896002, 10061844003, 20123688006]

約数ペア:

[(1, 20123688006), (2, 10061844003), (3, 6707896002), (6, 3353948001), (9, 2235965334), (18, 1117982667), (19, 1059141474), (27, 745321778), (31, 649151226), (38, 529570737), (54, 372660889), (57, 353047158), (62, 324575613), (89, 226108854), (93, 216383742), (114, 176523579), (171, 117682386), (178, 113054427), (186, 108191871), (267, 75369618), (279, 72127914), (342, 58841193), (513, 39227462), (534, 37684809), (558, 36063957), (589, 34165854), (801, 25123206), (837, 24042638), (1026, 19613731), (1178, 17082927), (1602, 12561603), (1674, 12021319), (1691, 11900466), (1767, 11388618), (2403, 8374402), (2759, 7293834), (3382, 5950233), (3534, 5694309), (4806, 4187201), (5073, 3966822), (5301, 3796206), (5518, 3646917), (7109, 2830734), (8277, 2431278), (10146, 1983411), (10602, 1898103), (14218, 1415367), (15219, 1322274), (15903, 1265402), (16554, 1215639), (21327, 943578), (24831, 810426), (30438, 661137), (31806, 632701), (42654, 471789), (45657, 440758), (49662, 405213), (52421, 383886), (63981, 314526), (74493, 270142), (91314, 220379), (104842, 191943), (127962, 157263), (135071, 148986)]