1636420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4813}}^1$

素因数の和:4839

約数の個数: 24

約数和(自身を含む): 3639384

約数和(自身を除く): 2002964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 4813, 9626, 19252, 24065, 48130, 81821, 96260, 163642, 327284, 409105, 818210, 1636420]

約数ペア:

[(1, 1636420), (2, 818210), (4, 409105), (5, 327284), (10, 163642), (17, 96260), (20, 81821), (34, 48130), (68, 24065), (85, 19252), (170, 9626), (340, 4813)]