20467660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1627}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 46769184

約数和(自身を除く): 26301524

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 1627, 2516, 3145, 3254, 6290, 6508, 8135, 12580, 16270, 27659, 32540, 55318, 60199, 110636, 120398, 138295, 240796, 276590, 300995, 553180, 601990, 1023383, 1203980, 2046766, 4093532, 5116915, 10233830, 20467660]

約数ペア:

[(1, 20467660), (2, 10233830), (4, 5116915), (5, 4093532), (10, 2046766), (17, 1203980), (20, 1023383), (34, 601990), (37, 553180), (68, 300995), (74, 276590), (85, 240796), (148, 138295), (170, 120398), (185, 110636), (340, 60199), (370, 55318), (629, 32540), (740, 27659), (1258, 16270), (1627, 12580), (2516, 8135), (3145, 6508), (3254, 6290)]