20131248748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{70223}}^1$

素因数の和:70426

約数の個数: 48

約数和(自身を含む): 39227126400

約数和(自身を除く): 19095877652

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 149, 298, 481, 596, 962, 1924, 1937, 3874, 5513, 7748, 11026, 22052, 70223, 71669, 140446, 143338, 280892, 286676, 912899, 1825798, 2598251, 3651596, 5196502, 10393004, 10463227, 20926454, 33777263, 41852908, 67554526, 135109052, 136021951, 272043902, 387139399, 544087804, 774278798, 1548557596, 5032812187, 10065624374, 20131248748]

約数ペア:

[(1, 20131248748), (2, 10065624374), (4, 5032812187), (13, 1548557596), (26, 774278798), (37, 544087804), (52, 387139399), (74, 272043902), (148, 136021951), (149, 135109052), (298, 67554526), (481, 41852908), (596, 33777263), (962, 20926454), (1924, 10463227), (1937, 10393004), (3874, 5196502), (5513, 3651596), (7748, 2598251), (11026, 1825798), (22052, 912899), (70223, 286676), (71669, 280892), (140446, 143338)]