20803325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 28212480

約数和(自身を除く): 7409155

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 775, 1579, 2635, 7895, 13175, 26843, 39475, 48949, 134215, 244745, 671075, 832133, 1223725, 4160665, 20803325]

約数ペア:

[(1, 20803325), (5, 4160665), (17, 1223725), (25, 832133), (31, 671075), (85, 244745), (155, 134215), (425, 48949), (527, 39475), (775, 26843), (1579, 13175), (2635, 7895)]