20650218

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{557}}^1$

素因数の和:766

約数の個数: 32

約数和(自身を含む): 42747264

約数和(自身を除く): 22097046

約数列:

[1, 2, 3, 6, 37, 74, 111, 167, 222, 334, 501, 557, 1002, 1114, 1671, 3342, 6179, 12358, 18537, 20609, 37074, 41218, 61827, 93019, 123654, 186038, 279057, 558114, 3441703, 6883406, 10325109, 20650218]

約数ペア:

[(1, 20650218), (2, 10325109), (3, 6883406), (6, 3441703), (37, 558114), (74, 279057), (111, 186038), (167, 123654), (222, 93019), (334, 61827), (501, 41218), (557, 37074), (1002, 20609), (1114, 18537), (1671, 12358), (3342, 6179)]