20656258

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 37756800

約数和(自身を除く): 17100542

約数列:

[1, 2, 7, 14, 17, 34, 119, 229, 238, 379, 458, 758, 1603, 2653, 3206, 3893, 5306, 6443, 7786, 12886, 27251, 45101, 54502, 86791, 90202, 173582, 607537, 1215074, 1475447, 2950894, 10328129, 20656258]

約数ペア:

[(1, 20656258), (2, 10328129), (7, 2950894), (14, 1475447), (17, 1215074), (34, 607537), (119, 173582), (229, 90202), (238, 86791), (379, 54502), (458, 45101), (758, 27251), (1603, 12886), (2653, 7786), (3206, 6443), (3893, 5306)]