20038664

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{283}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 38646720

約数和(自身を除く): 18608056

約数列:

[1, 2, 4, 8, 53, 106, 167, 212, 283, 334, 424, 566, 668, 1132, 1336, 2264, 8851, 14999, 17702, 29998, 35404, 47261, 59996, 70808, 94522, 119992, 189044, 378088, 2504833, 5009666, 10019332, 20038664]

約数ペア:

[(1, 20038664), (2, 10019332), (4, 5009666), (8, 2504833), (53, 378088), (106, 189044), (167, 119992), (212, 94522), (283, 70808), (334, 59996), (424, 47261), (566, 35404), (668, 29998), (1132, 17702), (1336, 14999), (2264, 8851)]