20198909060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7561}}^1\times {\mathrm{12143}}^1$

素因数の和:19724

約数の個数: 48

約数和(自身を含む): 46283795712

約数和(自身を除く): 26084886652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 7561, 12143, 15122, 24286, 30244, 37805, 48572, 60715, 75610, 83171, 121430, 133573, 151220, 166342, 242860, 267146, 332684, 415855, 534292, 667865, 831710, 1335730, 1663420, 2671460, 91813223, 183626446, 367252892, 459066115, 918132230, 1009945453, 1836264460, 2019890906, 4039781812, 5049727265, 10099454530, 20198909060]

約数ペア:

[(1, 20198909060), (2, 10099454530), (4, 5049727265), (5, 4039781812), (10, 2019890906), (11, 1836264460), (20, 1009945453), (22, 918132230), (44, 459066115), (55, 367252892), (110, 183626446), (220, 91813223), (7561, 2671460), (12143, 1663420), (15122, 1335730), (24286, 831710), (30244, 667865), (37805, 534292), (48572, 415855), (60715, 332684), (75610, 267146), (83171, 242860), (121430, 166342), (133573, 151220)]