20863050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{823}}^1$

素因数の和:864

約数の個数: 72

約数和(自身を含む): 56094624

約数和(自身を除く): 35231574

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 169, 195, 325, 338, 390, 507, 650, 823, 845, 975, 1014, 1646, 1690, 1950, 2469, 2535, 4115, 4225, 4938, 5070, 8230, 8450, 10699, 12345, 12675, 20575, 21398, 24690, 25350, 32097, 41150, 53495, 61725, 64194, 106990, 123450, 139087, 160485, 267475, 278174, 320970, 417261, 534950, 695435, 802425, 834522, 1390870, 1604850, 2086305, 3477175, 4172610, 6954350, 10431525, 20863050]

約数ペア:

[(1, 20863050), (2, 10431525), (3, 6954350), (5, 4172610), (6, 3477175), (10, 2086305), (13, 1604850), (15, 1390870), (25, 834522), (26, 802425), (30, 695435), (39, 534950), (50, 417261), (65, 320970), (75, 278174), (78, 267475), (130, 160485), (150, 139087), (169, 123450), (195, 106990), (325, 64194), (338, 61725), (390, 53495), (507, 41150), (650, 32097), (823, 25350), (845, 24690), (975, 21398), (1014, 20575), (1646, 12675), (1690, 12345), (1950, 10699), (2469, 8450), (2535, 8230), (4115, 5070), (4225, 4938)]