20851796108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1257041}}^1$

素因数の和:1257098

約数の個数: 48

約数和(自身を含む): 44348441760

約数和(自身を除く): 23496645652

約数列:

[1, 2, 4, 11, 13, 22, 26, 29, 44, 52, 58, 116, 143, 286, 319, 377, 572, 638, 754, 1276, 1508, 4147, 8294, 16588, 1257041, 2514082, 5028164, 13827451, 16341533, 27654902, 32683066, 36454189, 55309804, 65366132, 72908378, 145816756, 179756863, 359513726, 400996079, 473904457, 719027452, 801992158, 947808914, 1603984316, 1895617828, 5212949027, 10425898054, 20851796108]

約数ペア:

[(1, 20851796108), (2, 10425898054), (4, 5212949027), (11, 1895617828), (13, 1603984316), (22, 947808914), (26, 801992158), (29, 719027452), (44, 473904457), (52, 400996079), (58, 359513726), (116, 179756863), (143, 145816756), (286, 72908378), (319, 65366132), (377, 55309804), (572, 36454189), (638, 32683066), (754, 27654902), (1276, 16341533), (1508, 13827451), (4147, 5028164), (8294, 2514082), (16588, 1257041)]