20120221264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{214483}}^1$

素因数の和:214556

約数の個数: 80

約数和(自身を含む): 46915372224

約数和(自身を除く): 26795150960

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 41, 44, 52, 82, 88, 104, 143, 164, 176, 208, 286, 328, 451, 533, 572, 656, 902, 1066, 1144, 1804, 2132, 2288, 3608, 4264, 5863, 7216, 8528, 11726, 23452, 46904, 93808, 214483, 428966, 857932, 1715864, 2359313, 2788279, 3431728, 4718626, 5576558, 8793803, 9437252, 11153116, 17587606, 18874504, 22306232, 30671069, 35175212, 37749008, 44612464, 61342138, 70350424, 96731833, 114319439, 122684276, 140700848, 193463666, 228638878, 245368552, 386927332, 457277756, 490737104, 773854664, 914555512, 1257513829, 1547709328, 1829111024, 2515027658, 5030055316, 10060110632, 20120221264]

約数ペア:

[(1, 20120221264), (2, 10060110632), (4, 5030055316), (8, 2515027658), (11, 1829111024), (13, 1547709328), (16, 1257513829), (22, 914555512), (26, 773854664), (41, 490737104), (44, 457277756), (52, 386927332), (82, 245368552), (88, 228638878), (104, 193463666), (143, 140700848), (164, 122684276), (176, 114319439), (208, 96731833), (286, 70350424), (328, 61342138), (451, 44612464), (533, 37749008), (572, 35175212), (656, 30671069), (902, 22306232), (1066, 18874504), (1144, 17587606), (1804, 11153116), (2132, 9437252), (2288, 8793803), (3608, 5576558), (4264, 4718626), (5863, 3431728), (7216, 2788279), (8528, 2359313), (11726, 1715864), (23452, 857932), (46904, 428966), (93808, 214483)]