20791056

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{233}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 63719136

約数和(自身を除く): 42928080

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 132, 143, 156, 169, 176, 208, 233, 264, 286, 312, 338, 429, 466, 507, 528, 572, 624, 676, 699, 858, 932, 1014, 1144, 1352, 1398, 1716, 1859, 1864, 2028, 2288, 2563, 2704, 2796, 3029, 3432, 3718, 3728, 4056, 5126, 5577, 5592, 6058, 6864, 7436, 7689, 8112, 9087, 10252, 11154, 11184, 12116, 14872, 15378, 18174, 20504, 22308, 24232, 29744, 30756, 33319, 36348, 39377, 41008, 44616, 48464, 61512, 66638, 72696, 78754, 89232, 99957, 118131, 123024, 133276, 145392, 157508, 199914, 236262, 266552, 315016, 399828, 433147, 472524, 533104, 630032, 799656, 866294, 945048, 1299441, 1599312, 1732588, 1890096, 2598882, 3465176, 5197764, 6930352, 10395528, 20791056]

約数ペア:

[(1, 20791056), (2, 10395528), (3, 6930352), (4, 5197764), (6, 3465176), (8, 2598882), (11, 1890096), (12, 1732588), (13, 1599312), (16, 1299441), (22, 945048), (24, 866294), (26, 799656), (33, 630032), (39, 533104), (44, 472524), (48, 433147), (52, 399828), (66, 315016), (78, 266552), (88, 236262), (104, 199914), (132, 157508), (143, 145392), (156, 133276), (169, 123024), (176, 118131), (208, 99957), (233, 89232), (264, 78754), (286, 72696), (312, 66638), (338, 61512), (429, 48464), (466, 44616), (507, 41008), (528, 39377), (572, 36348), (624, 33319), (676, 30756), (699, 29744), (858, 24232), (932, 22308), (1014, 20504), (1144, 18174), (1352, 15378), (1398, 14872), (1716, 12116), (1859, 11184), (1864, 11154), (2028, 10252), (2288, 9087), (2563, 8112), (2704, 7689), (2796, 7436), (3029, 6864), (3432, 6058), (3718, 5592), (3728, 5577), (4056, 5126)]