20258978852

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{11273}}^1$

素因数の和:11517

約数の個数: 72

約数和(自身を含む): 42266271096

約数和(自身を除く): 22007292244

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 173, 196, 212, 346, 371, 692, 742, 1211, 1484, 2422, 2597, 4844, 5194, 8477, 9169, 10388, 11273, 16954, 18338, 22546, 33908, 36676, 45092, 64183, 78911, 128366, 157822, 256732, 315644, 449281, 552377, 597469, 898562, 1104754, 1194938, 1797124, 1950229, 2209508, 2389876, 3900458, 4182283, 7800916, 8364566, 13651603, 16729132, 27303206, 29275981, 54606412, 58551962, 95561221, 103362137, 117103924, 191122442, 206724274, 382244884, 413448548, 723534959, 1447069918, 2894139836, 5064744713, 10129489426, 20258978852]

約数ペア:

[(1, 20258978852), (2, 10129489426), (4, 5064744713), (7, 2894139836), (14, 1447069918), (28, 723534959), (49, 413448548), (53, 382244884), (98, 206724274), (106, 191122442), (173, 117103924), (196, 103362137), (212, 95561221), (346, 58551962), (371, 54606412), (692, 29275981), (742, 27303206), (1211, 16729132), (1484, 13651603), (2422, 8364566), (2597, 7800916), (4844, 4182283), (5194, 3900458), (8477, 2389876), (9169, 2209508), (10388, 1950229), (11273, 1797124), (16954, 1194938), (18338, 1104754), (22546, 898562), (33908, 597469), (36676, 552377), (45092, 449281), (64183, 315644), (78911, 256732), (128366, 157822)]