20291206348

素因数分解:

$2^2\times 7^4\times {\mathrm{757}}^1\times {\mathrm{2791}}^1$

素因数の和:3580

約数の個数: 60

約数和(自身を含む): 41494999952

約数和(自身を除く): 21203793604

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 757, 1372, 1514, 2401, 2791, 3028, 4802, 5299, 5582, 9604, 10598, 11164, 19537, 21196, 37093, 39074, 74186, 78148, 136759, 148372, 259651, 273518, 519302, 547036, 957313, 1038604, 1817557, 1914626, 2112787, 3635114, 3829252, 4225574, 6701191, 7270228, 8451148, 13402382, 14789509, 26804764, 29579018, 59158036, 103526563, 207053126, 414106252, 724685941, 1449371882, 2898743764, 5072801587, 10145603174, 20291206348]

約数ペア:

[(1, 20291206348), (2, 10145603174), (4, 5072801587), (7, 2898743764), (14, 1449371882), (28, 724685941), (49, 414106252), (98, 207053126), (196, 103526563), (343, 59158036), (686, 29579018), (757, 26804764), (1372, 14789509), (1514, 13402382), (2401, 8451148), (2791, 7270228), (3028, 6701191), (4802, 4225574), (5299, 3829252), (5582, 3635114), (9604, 2112787), (10598, 1914626), (11164, 1817557), (19537, 1038604), (21196, 957313), (37093, 547036), (39074, 519302), (74186, 273518), (78148, 259651), (136759, 148372)]