20239450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{751}}^1$

素因数の和:788

約数の個数: 72

約数和(自身を含む): 47836224

約数和(自身を除く): 27596774

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 49, 50, 55, 70, 77, 98, 110, 154, 175, 245, 275, 350, 385, 490, 539, 550, 751, 770, 1078, 1225, 1502, 1925, 2450, 2695, 3755, 3850, 5257, 5390, 7510, 8261, 10514, 13475, 16522, 18775, 26285, 26950, 36799, 37550, 41305, 52570, 57827, 73598, 82610, 115654, 131425, 183995, 206525, 262850, 289135, 367990, 404789, 413050, 578270, 809578, 919975, 1445675, 1839950, 2023945, 2891350, 4047890, 10119725, 20239450]

約数ペア:

[(1, 20239450), (2, 10119725), (5, 4047890), (7, 2891350), (10, 2023945), (11, 1839950), (14, 1445675), (22, 919975), (25, 809578), (35, 578270), (49, 413050), (50, 404789), (55, 367990), (70, 289135), (77, 262850), (98, 206525), (110, 183995), (154, 131425), (175, 115654), (245, 82610), (275, 73598), (350, 57827), (385, 52570), (490, 41305), (539, 37550), (550, 36799), (751, 26950), (770, 26285), (1078, 18775), (1225, 16522), (1502, 13475), (1925, 10514), (2450, 8261), (2695, 7510), (3755, 5390), (3850, 5257)]