20677250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 43220736

約数和(自身を除く): 22543486

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 73, 103, 110, 125, 146, 206, 250, 275, 365, 515, 550, 730, 803, 1030, 1133, 1375, 1606, 1825, 2266, 2575, 2750, 3650, 4015, 5150, 5665, 7519, 8030, 9125, 11330, 12875, 15038, 18250, 20075, 25750, 28325, 37595, 40150, 56650, 75190, 82709, 100375, 141625, 165418, 187975, 200750, 283250, 375950, 413545, 827090, 939875, 1879750, 2067725, 4135450, 10338625, 20677250]

約数ペア:

[(1, 20677250), (2, 10338625), (5, 4135450), (10, 2067725), (11, 1879750), (22, 939875), (25, 827090), (50, 413545), (55, 375950), (73, 283250), (103, 200750), (110, 187975), (125, 165418), (146, 141625), (206, 100375), (250, 82709), (275, 75190), (365, 56650), (515, 40150), (550, 37595), (730, 28325), (803, 25750), (1030, 20075), (1133, 18250), (1375, 15038), (1606, 12875), (1825, 11330), (2266, 9125), (2575, 8030), (2750, 7519), (3650, 5665), (4015, 5150)]