20842025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 27420864

約数和(自身を除く): 6578839

約数列:

[1, 5, 23, 25, 67, 115, 335, 541, 575, 1541, 1675, 2705, 7705, 12443, 13525, 36247, 38525, 62215, 181235, 311075, 833681, 906175, 4168405, 20842025]

約数ペア:

[(1, 20842025), (5, 4168405), (23, 906175), (25, 833681), (67, 311075), (115, 181235), (335, 62215), (541, 38525), (575, 36247), (1541, 13525), (1675, 12443), (2705, 7705)]