20591914

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{757}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 37111680

約数和(自身を除く): 16519766

約数列:

[1, 2, 7, 14, 29, 58, 67, 134, 203, 406, 469, 757, 938, 1514, 1943, 3886, 5299, 10598, 13601, 21953, 27202, 43906, 50719, 101438, 153671, 307342, 355033, 710066, 1470851, 2941702, 10295957, 20591914]

約数ペア:

[(1, 20591914), (2, 10295957), (7, 2941702), (14, 1470851), (29, 710066), (58, 355033), (67, 307342), (134, 153671), (203, 101438), (406, 50719), (469, 43906), (757, 27202), (938, 21953), (1514, 13601), (1943, 10598), (3886, 5299)]