20573776

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1511}}^1$

素因数の和:1579

約数の個数: 40

約数和(自身を含む): 42747264

約数和(自身を除く): 22173488

約数列:

[1, 2, 4, 8, 16, 23, 37, 46, 74, 92, 148, 184, 296, 368, 592, 851, 1511, 1702, 3022, 3404, 6044, 6808, 12088, 13616, 24176, 34753, 55907, 69506, 111814, 139012, 223628, 278024, 447256, 556048, 894512, 1285861, 2571722, 5143444, 10286888, 20573776]

約数ペア:

[(1, 20573776), (2, 10286888), (4, 5143444), (8, 2571722), (16, 1285861), (23, 894512), (37, 556048), (46, 447256), (74, 278024), (92, 223628), (148, 139012), (184, 111814), (296, 69506), (368, 55907), (592, 34753), (851, 24176), (1511, 13616), (1702, 12088), (3022, 6808), (3404, 6044)]