20164763528

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{78467}}^1$

素因数の和:78846

約数の個数: 64

約数和(自身を含む): 46666488960

約数和(自身を除く): 26501725432

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 353, 364, 706, 728, 1412, 2471, 2824, 4589, 4942, 9178, 9884, 18356, 19768, 32123, 36712, 64246, 78467, 128492, 156934, 256984, 313868, 549269, 627736, 1020071, 1098538, 2040142, 2197076, 4080284, 4394152, 7140497, 8160568, 14280994, 27698851, 28561988, 55397702, 57123976, 110795404, 193891957, 221590808, 360085063, 387783914, 720170126, 775567828, 1440340252, 1551135656, 2520595441, 2880680504, 5041190882, 10082381764, 20164763528]

約数ペア:

[(1, 20164763528), (2, 10082381764), (4, 5041190882), (7, 2880680504), (8, 2520595441), (13, 1551135656), (14, 1440340252), (26, 775567828), (28, 720170126), (52, 387783914), (56, 360085063), (91, 221590808), (104, 193891957), (182, 110795404), (353, 57123976), (364, 55397702), (706, 28561988), (728, 27698851), (1412, 14280994), (2471, 8160568), (2824, 7140497), (4589, 4394152), (4942, 4080284), (9178, 2197076), (9884, 2040142), (18356, 1098538), (19768, 1020071), (32123, 627736), (36712, 549269), (64246, 313868), (78467, 256984), (128492, 156934)]