20045741488

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{729679}}^1$

素因数の和:729805

約数の個数: 40

約数和(自身を含む): 41530466880

約数和(自身を除く): 21484725392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 101, 136, 202, 272, 404, 808, 1616, 1717, 3434, 6868, 13736, 27472, 729679, 1459358, 2918716, 5837432, 11674864, 12404543, 24809086, 49618172, 73697579, 99236344, 147395158, 198472688, 294790316, 589580632, 1179161264, 1252858843, 2505717686, 5011435372, 10022870744, 20045741488]

約数ペア:

[(1, 20045741488), (2, 10022870744), (4, 5011435372), (8, 2505717686), (16, 1252858843), (17, 1179161264), (34, 589580632), (68, 294790316), (101, 198472688), (136, 147395158), (202, 99236344), (272, 73697579), (404, 49618172), (808, 24809086), (1616, 12404543), (1717, 11674864), (3434, 5837432), (6868, 2918716), (13736, 1459358), (27472, 729679)]