19936700180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1\times {\mathrm{1453}}^1$

素因数の和:2109

約数の個数: 96

約数和(自身を含む): 44474603040

約数和(自身を除く): 24537902860

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 577, 580, 820, 1154, 1189, 1453, 2308, 2378, 2885, 2906, 4756, 5770, 5812, 5945, 7265, 11540, 11890, 14530, 16733, 23657, 23780, 29060, 33466, 42137, 47314, 59573, 66932, 83665, 84274, 94628, 118285, 119146, 167330, 168548, 210685, 236570, 238292, 297865, 334660, 421370, 473140, 595730, 686053, 838381, 842740, 1191460, 1372106, 1676762, 1727617, 2744212, 3353524, 3430265, 3455234, 4191905, 6860530, 6910468, 8383810, 8638085, 13721060, 16767620, 17276170, 24313049, 34373621, 34552340, 48626098, 68747242, 97252196, 121565245, 137494484, 171868105, 243130490, 343736210, 486260980, 687472420, 996835009, 1993670018, 3987340036, 4984175045, 9968350090, 19936700180]

約数ペア:

[(1, 19936700180), (2, 9968350090), (4, 4984175045), (5, 3987340036), (10, 1993670018), (20, 996835009), (29, 687472420), (41, 486260980), (58, 343736210), (82, 243130490), (116, 171868105), (145, 137494484), (164, 121565245), (205, 97252196), (290, 68747242), (410, 48626098), (577, 34552340), (580, 34373621), (820, 24313049), (1154, 17276170), (1189, 16767620), (1453, 13721060), (2308, 8638085), (2378, 8383810), (2885, 6910468), (2906, 6860530), (4756, 4191905), (5770, 3455234), (5812, 3430265), (5945, 3353524), (7265, 2744212), (11540, 1727617), (11890, 1676762), (14530, 1372106), (16733, 1191460), (23657, 842740), (23780, 838381), (29060, 686053), (33466, 595730), (42137, 473140), (47314, 421370), (59573, 334660), (66932, 297865), (83665, 238292), (84274, 236570), (94628, 210685), (118285, 168548), (119146, 167330)]