20254624

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 43341480

約数和(自身を除く): 23086856

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 181, 208, 269, 362, 416, 538, 724, 1076, 1448, 2152, 2353, 2896, 3497, 4304, 4706, 5792, 6994, 8608, 9412, 13988, 18824, 27976, 37648, 48689, 55952, 75296, 97378, 111904, 194756, 389512, 632957, 779024, 1265914, 1558048, 2531828, 5063656, 10127312, 20254624]

約数ペア:

[(1, 20254624), (2, 10127312), (4, 5063656), (8, 2531828), (13, 1558048), (16, 1265914), (26, 779024), (32, 632957), (52, 389512), (104, 194756), (181, 111904), (208, 97378), (269, 75296), (362, 55952), (416, 48689), (538, 37648), (724, 27976), (1076, 18824), (1448, 13988), (2152, 9412), (2353, 8608), (2896, 6994), (3497, 5792), (4304, 4706)]