20863350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:742

約数の個数: 72

約数和(自身を含む): 56929392

約数和(自身を除く): 36066042

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 142, 150, 213, 225, 355, 426, 450, 639, 653, 710, 1065, 1278, 1306, 1775, 1959, 2130, 3195, 3265, 3550, 3918, 5325, 5877, 6390, 6530, 9795, 10650, 11754, 15975, 16325, 19590, 29385, 31950, 32650, 46363, 48975, 58770, 92726, 97950, 139089, 146925, 231815, 278178, 293850, 417267, 463630, 695445, 834534, 1159075, 1390890, 2086335, 2318150, 3477225, 4172670, 6954450, 10431675, 20863350]

約数ペア:

[(1, 20863350), (2, 10431675), (3, 6954450), (5, 4172670), (6, 3477225), (9, 2318150), (10, 2086335), (15, 1390890), (18, 1159075), (25, 834534), (30, 695445), (45, 463630), (50, 417267), (71, 293850), (75, 278178), (90, 231815), (142, 146925), (150, 139089), (213, 97950), (225, 92726), (355, 58770), (426, 48975), (450, 46363), (639, 32650), (653, 31950), (710, 29385), (1065, 19590), (1278, 16325), (1306, 15975), (1775, 11754), (1959, 10650), (2130, 9795), (3195, 6530), (3265, 6390), (3550, 5877), (3918, 5325)]