20199562108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{23131}}^1$

素因数の和:23458

約数の個数: 48

約数和(自身を含む): 39172654080

約数和(自身を除く): 18973091972

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 223, 356, 446, 892, 979, 1958, 2453, 3916, 4906, 9812, 19847, 23131, 39694, 46262, 79388, 92524, 218317, 254441, 436634, 508882, 873268, 1017764, 2058659, 4117318, 5158213, 8234636, 10316426, 20632852, 22645249, 45290498, 56740343, 90580996, 113480686, 226961372, 459080957, 918161914, 1836323828, 5049890527, 10099781054, 20199562108]

約数ペア:

[(1, 20199562108), (2, 10099781054), (4, 5049890527), (11, 1836323828), (22, 918161914), (44, 459080957), (89, 226961372), (178, 113480686), (223, 90580996), (356, 56740343), (446, 45290498), (892, 22645249), (979, 20632852), (1958, 10316426), (2453, 8234636), (3916, 5158213), (4906, 4117318), (9812, 2058659), (19847, 1017764), (23131, 873268), (39694, 508882), (46262, 436634), (79388, 254441), (92524, 218317)]