20452490

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 38150784

約数和(自身を除く): 17698294

約数列:

[1, 2, 5, 10, 37, 74, 167, 185, 331, 334, 370, 662, 835, 1655, 1670, 3310, 6179, 12247, 12358, 24494, 30895, 55277, 61235, 61790, 110554, 122470, 276385, 552770, 2045249, 4090498, 10226245, 20452490]

約数ペア:

[(1, 20452490), (2, 10226245), (5, 4090498), (10, 2045249), (37, 552770), (74, 276385), (167, 122470), (185, 110554), (331, 61790), (334, 61235), (370, 55277), (662, 30895), (835, 24494), (1655, 12358), (1670, 12247), (3310, 6179)]