20113697904

素因数分解:

$2^4\times 3^1\times {\mathrm{647}}^1\times {\mathrm{647659}}^1$

素因数の和:648317

約数の個数: 40

約数和(自身を含む): 52040776320

約数和(自身を除く): 31927078416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 647, 1294, 1941, 2588, 3882, 5176, 7764, 10352, 15528, 31056, 647659, 1295318, 1942977, 2590636, 3885954, 5181272, 7771908, 10362544, 15543816, 31087632, 419035373, 838070746, 1257106119, 1676141492, 2514212238, 3352282984, 5028424476, 6704565968, 10056848952, 20113697904]

約数ペア:

[(1, 20113697904), (2, 10056848952), (3, 6704565968), (4, 5028424476), (6, 3352282984), (8, 2514212238), (12, 1676141492), (16, 1257106119), (24, 838070746), (48, 419035373), (647, 31087632), (1294, 15543816), (1941, 10362544), (2588, 7771908), (3882, 5181272), (5176, 3885954), (7764, 2590636), (10352, 1942977), (15528, 1295318), (31056, 647659)]