20185191882

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{14771}}^1$

素因数の和:14920

約数の個数: 72

約数和(自身を含む): 45766019520

約数和(自身を除く): 25580827638

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 79, 93, 158, 186, 237, 279, 474, 558, 711, 961, 1422, 1922, 2449, 2883, 4898, 5766, 7347, 8649, 14694, 14771, 17298, 22041, 29542, 44082, 44313, 75919, 88626, 132939, 151838, 227757, 265878, 455514, 457901, 683271, 915802, 1166909, 1366542, 1373703, 2333818, 2747406, 3500727, 4121109, 7001454, 8242218, 10502181, 14194931, 21004362, 28389862, 36174179, 42584793, 72348358, 85169586, 108522537, 127754379, 217045074, 255508758, 325567611, 651135222, 1121399549, 2242799098, 3364198647, 6728397294, 10092595941, 20185191882]

約数ペア:

[(1, 20185191882), (2, 10092595941), (3, 6728397294), (6, 3364198647), (9, 2242799098), (18, 1121399549), (31, 651135222), (62, 325567611), (79, 255508758), (93, 217045074), (158, 127754379), (186, 108522537), (237, 85169586), (279, 72348358), (474, 42584793), (558, 36174179), (711, 28389862), (961, 21004362), (1422, 14194931), (1922, 10502181), (2449, 8242218), (2883, 7001454), (4898, 4121109), (5766, 3500727), (7347, 2747406), (8649, 2333818), (14694, 1373703), (14771, 1366542), (17298, 1166909), (22041, 915802), (29542, 683271), (44082, 457901), (44313, 455514), (75919, 265878), (88626, 227757), (132939, 151838)]