20921801164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{743}}^1\times {\mathrm{5981}}^1$

素因数の和:6846

約数の個数: 48

約数和(自身を含む): 40375915776

約数和(自身を除く): 19454114612

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 743, 1177, 1486, 2354, 2972, 4708, 5981, 8173, 11962, 16346, 23924, 32692, 65791, 79501, 131582, 159002, 263164, 318004, 639967, 874511, 1279934, 1749022, 2559868, 3498044, 4443883, 7039637, 8887766, 14079274, 17775532, 28158548, 48882713, 97765426, 195530852, 475495481, 950990962, 1901981924, 5230450291, 10460900582, 20921801164]

約数ペア:

[(1, 20921801164), (2, 10460900582), (4, 5230450291), (11, 1901981924), (22, 950990962), (44, 475495481), (107, 195530852), (214, 97765426), (428, 48882713), (743, 28158548), (1177, 17775532), (1486, 14079274), (2354, 8887766), (2972, 7039637), (4708, 4443883), (5981, 3498044), (8173, 2559868), (11962, 1749022), (16346, 1279934), (23924, 874511), (32692, 639967), (65791, 318004), (79501, 263164), (131582, 159002)]