20341787908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{691}}^1\times {\mathrm{2089}}^1$

素因数の和:3068

約数の個数: 48

約数和(自身を含む): 38552039680

約数和(自身を除く): 18210251772

約数列:

[1, 2, 4, 13, 26, 52, 271, 542, 691, 1084, 1382, 2089, 2764, 3523, 4178, 7046, 8356, 8983, 14092, 17966, 27157, 35932, 54314, 108628, 187261, 374522, 566119, 749044, 1132238, 1443499, 2264476, 2434393, 2886998, 4868786, 5773996, 7359547, 9737572, 14719094, 18765487, 29438188, 37530974, 75061948, 391188229, 782376458, 1564752916, 5085446977, 10170893954, 20341787908]

約数ペア:

[(1, 20341787908), (2, 10170893954), (4, 5085446977), (13, 1564752916), (26, 782376458), (52, 391188229), (271, 75061948), (542, 37530974), (691, 29438188), (1084, 18765487), (1382, 14719094), (2089, 9737572), (2764, 7359547), (3523, 5773996), (4178, 4868786), (7046, 2886998), (8356, 2434393), (8983, 2264476), (14092, 1443499), (17966, 1132238), (27157, 749044), (35932, 566119), (54314, 374522), (108628, 187261)]