20000613790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3929}}^1\times {\mathrm{16421}}^1$

素因数の和:20388

約数の個数: 32

約数和(自身を含む): 37174152960

約数和(自身を除く): 17173539170

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 3929, 7858, 16421, 19645, 32842, 39290, 82105, 121799, 164210, 243598, 509051, 608995, 1018102, 1217990, 2545255, 5090510, 64518109, 129036218, 322590545, 645181090, 2000061379, 4000122758, 10000306895, 20000613790]

約数ペア:

[(1, 20000613790), (2, 10000306895), (5, 4000122758), (10, 2000061379), (31, 645181090), (62, 322590545), (155, 129036218), (310, 64518109), (3929, 5090510), (7858, 2545255), (16421, 1217990), (19645, 1018102), (32842, 608995), (39290, 509051), (82105, 243598), (121799, 164210)]