20003218930

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{632813}}^1$

素因数の和:632958

約数の個数: 32

約数和(自身を含む): 37589151600

約数和(自身を除く): 17585932670

約数列:

[1, 2, 5, 10, 29, 58, 109, 145, 218, 290, 545, 1090, 3161, 6322, 15805, 31610, 632813, 1265626, 3164065, 6328130, 18351577, 36703154, 68976617, 91757885, 137953234, 183515770, 344883085, 689766170, 2000321893, 4000643786, 10001609465, 20003218930]

約数ペア:

[(1, 20003218930), (2, 10001609465), (5, 4000643786), (10, 2000321893), (29, 689766170), (58, 344883085), (109, 183515770), (145, 137953234), (218, 91757885), (290, 68976617), (545, 36703154), (1090, 18351577), (3161, 6328130), (6322, 3164065), (15805, 1265626), (31610, 632813)]