20925975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1733}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 41283072

約数和(自身を除く): 20357097

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 161, 175, 345, 483, 525, 575, 805, 1725, 1733, 2415, 4025, 5199, 8665, 12075, 12131, 25995, 36393, 39859, 43325, 60655, 119577, 129975, 181965, 199295, 279013, 303275, 597885, 837039, 909825, 996475, 1395065, 2989425, 4185195, 6975325, 20925975]

約数ペア:

[(1, 20925975), (3, 6975325), (5, 4185195), (7, 2989425), (15, 1395065), (21, 996475), (23, 909825), (25, 837039), (35, 597885), (69, 303275), (75, 279013), (105, 199295), (115, 181965), (161, 129975), (175, 119577), (345, 60655), (483, 43325), (525, 39859), (575, 36393), (805, 25995), (1725, 12131), (1733, 12075), (2415, 8665), (4025, 5199)]