20675850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:512

約数の個数: 96

約数和(自身を含む): 57746304

約数和(自身を除く): 37070454

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 25, 26, 30, 39, 46, 50, 65, 69, 75, 78, 115, 130, 138, 150, 195, 230, 299, 325, 345, 390, 461, 575, 598, 650, 690, 897, 922, 975, 1150, 1383, 1495, 1725, 1794, 1950, 2305, 2766, 2990, 3450, 4485, 4610, 5993, 6915, 7475, 8970, 10603, 11525, 11986, 13830, 14950, 17979, 21206, 22425, 23050, 29965, 31809, 34575, 35958, 44850, 53015, 59930, 63618, 69150, 89895, 106030, 137839, 149825, 159045, 179790, 265075, 275678, 299650, 318090, 413517, 449475, 530150, 689195, 795225, 827034, 898950, 1378390, 1590450, 2067585, 3445975, 4135170, 6891950, 10337925, 20675850]

約数ペア:

[(1, 20675850), (2, 10337925), (3, 6891950), (5, 4135170), (6, 3445975), (10, 2067585), (13, 1590450), (15, 1378390), (23, 898950), (25, 827034), (26, 795225), (30, 689195), (39, 530150), (46, 449475), (50, 413517), (65, 318090), (69, 299650), (75, 275678), (78, 265075), (115, 179790), (130, 159045), (138, 149825), (150, 137839), (195, 106030), (230, 89895), (299, 69150), (325, 63618), (345, 59930), (390, 53015), (461, 44850), (575, 35958), (598, 34575), (650, 31809), (690, 29965), (897, 23050), (922, 22425), (975, 21206), (1150, 17979), (1383, 14950), (1495, 13830), (1725, 11986), (1794, 11525), (1950, 10603), (2305, 8970), (2766, 7475), (2990, 6915), (3450, 5993), (4485, 4610)]