20555744

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2539}}^1$

素因数の和:2583

約数の個数: 48

約数和(自身を含む): 46085760

約数和(自身を除く): 25530016

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 88, 92, 176, 184, 253, 352, 368, 506, 736, 1012, 2024, 2539, 4048, 5078, 8096, 10156, 20312, 27929, 40624, 55858, 58397, 81248, 111716, 116794, 223432, 233588, 446864, 467176, 642367, 893728, 934352, 1284734, 1868704, 2569468, 5138936, 10277872, 20555744]

約数ペア:

[(1, 20555744), (2, 10277872), (4, 5138936), (8, 2569468), (11, 1868704), (16, 1284734), (22, 934352), (23, 893728), (32, 642367), (44, 467176), (46, 446864), (88, 233588), (92, 223432), (176, 116794), (184, 111716), (253, 81248), (352, 58397), (368, 55858), (506, 40624), (736, 27929), (1012, 20312), (2024, 10156), (2539, 8096), (4048, 5078)]