20125630672

素因数分解:

$2^4\times 7^1\times {\mathrm{1283}}^1\times {\mathrm{140057}}^1$

素因数の和:141355

約数の個数: 40

約数和(自身を含む): 44598949056

約数和(自身を除く): 24473318384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1283, 2566, 5132, 8981, 10264, 17962, 20528, 35924, 71848, 140057, 143696, 280114, 560228, 980399, 1120456, 1960798, 2240912, 3921596, 7843192, 15686384, 179693131, 359386262, 718772524, 1257851917, 1437545048, 2515703834, 2875090096, 5031407668, 10062815336, 20125630672]

約数ペア:

[(1, 20125630672), (2, 10062815336), (4, 5031407668), (7, 2875090096), (8, 2515703834), (14, 1437545048), (16, 1257851917), (28, 718772524), (56, 359386262), (112, 179693131), (1283, 15686384), (2566, 7843192), (5132, 3921596), (8981, 2240912), (10264, 1960798), (17962, 1120456), (20528, 980399), (35924, 560228), (71848, 280114), (140057, 143696)]