20511274

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{283}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 36642816

約数和(自身を除く): 16131542

約数列:

[1, 2, 7, 14, 31, 62, 167, 217, 283, 334, 434, 566, 1169, 1981, 2338, 3962, 5177, 8773, 10354, 17546, 36239, 47261, 61411, 72478, 94522, 122822, 330827, 661654, 1465091, 2930182, 10255637, 20511274]

約数ペア:

[(1, 20511274), (2, 10255637), (7, 2930182), (14, 1465091), (31, 661654), (62, 330827), (167, 122822), (217, 94522), (283, 72478), (334, 61411), (434, 47261), (566, 36239), (1169, 17546), (1981, 10354), (2338, 8773), (3962, 5177)]