20847390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2473}}^1$

素因数の和:2764

約数の個数: 32

約数和(自身を含む): 50232096

約数和(自身を除く): 29384706

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 281, 562, 843, 1405, 1686, 2473, 2810, 4215, 4946, 7419, 8430, 12365, 14838, 24730, 37095, 74190, 694913, 1389826, 2084739, 3474565, 4169478, 6949130, 10423695, 20847390]

約数ペア:

[(1, 20847390), (2, 10423695), (3, 6949130), (5, 4169478), (6, 3474565), (10, 2084739), (15, 1389826), (30, 694913), (281, 74190), (562, 37095), (843, 24730), (1405, 14838), (1686, 12365), (2473, 8430), (2810, 7419), (4215, 4946)]