20161786870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{530713}}^1$

素因数の和:530880

約数の個数: 32

約数和(自身を含む): 37829293920

約数和(自身を除く): 17667507050

約数列:

[1, 2, 5, 10, 29, 58, 131, 145, 262, 290, 655, 1310, 3799, 7598, 18995, 37990, 530713, 1061426, 2653565, 5307130, 15390677, 30781354, 69523403, 76953385, 139046806, 153906770, 347617015, 695234030, 2016178687, 4032357374, 10080893435, 20161786870]

約数ペア:

[(1, 20161786870), (2, 10080893435), (5, 4032357374), (10, 2016178687), (29, 695234030), (58, 347617015), (131, 153906770), (145, 139046806), (262, 76953385), (290, 69523403), (655, 30781354), (1310, 15390677), (3799, 5307130), (7598, 2653565), (18995, 1061426), (37990, 530713)]