20803825

素因数分解:

$5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2243}}^1$

素因数の和:2313

約数の個数: 24

約数和(自身を含む): 30051648

約数和(自身を除く): 9247823

約数列:

[1, 5, 7, 25, 35, 53, 175, 265, 371, 1325, 1855, 2243, 9275, 11215, 15701, 56075, 78505, 118879, 392525, 594395, 832153, 2971975, 4160765, 20803825]

約数ペア:

[(1, 20803825), (5, 4160765), (7, 2971975), (25, 832153), (35, 594395), (53, 392525), (175, 118879), (265, 78505), (371, 56075), (1325, 15701), (1855, 11215), (2243, 9275)]