20942577

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 32440320

約数和(自身を除く): 11497743

約数列:

[1, 3, 9, 27, 31, 93, 131, 191, 279, 393, 573, 837, 1179, 1719, 3537, 4061, 5157, 5921, 12183, 17763, 25021, 36549, 53289, 75063, 109647, 159867, 225189, 675567, 775651, 2326953, 6980859, 20942577]

約数ペア:

[(1, 20942577), (3, 6980859), (9, 2326953), (27, 775651), (31, 675567), (93, 225189), (131, 159867), (191, 109647), (279, 75063), (393, 53289), (573, 36549), (837, 25021), (1179, 17763), (1719, 12183), (3537, 5921), (4061, 5157)]