20852320

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2459}}^1$

素因数の和:2527

約数の個数: 48

約数和(自身を含む): 50213520

約数和(自身を除く): 29361200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 2459, 4240, 4918, 8480, 9836, 12295, 19672, 24590, 39344, 49180, 78688, 98360, 130327, 196720, 260654, 393440, 521308, 651635, 1042616, 1303270, 2085232, 2606540, 4170464, 5213080, 10426160, 20852320]

約数ペア:

[(1, 20852320), (2, 10426160), (4, 5213080), (5, 4170464), (8, 2606540), (10, 2085232), (16, 1303270), (20, 1042616), (32, 651635), (40, 521308), (53, 393440), (80, 260654), (106, 196720), (160, 130327), (212, 98360), (265, 78688), (424, 49180), (530, 39344), (848, 24590), (1060, 19672), (1696, 12295), (2120, 9836), (2459, 8480), (4240, 4918)]