20461023

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 13684257

約数列:

[1, 3, 9, 11, 31, 33, 59, 93, 99, 113, 177, 279, 339, 341, 531, 649, 1017, 1023, 1243, 1829, 1947, 3069, 3503, 3729, 5487, 5841, 6667, 10509, 11187, 16461, 20001, 20119, 31527, 38533, 60003, 60357, 73337, 115599, 181071, 206677, 220011, 346797, 620031, 660033, 1860093, 2273447, 6820341, 20461023]

約数ペア:

[(1, 20461023), (3, 6820341), (9, 2273447), (11, 1860093), (31, 660033), (33, 620031), (59, 346797), (93, 220011), (99, 206677), (113, 181071), (177, 115599), (279, 73337), (339, 60357), (341, 60003), (531, 38533), (649, 31527), (1017, 20119), (1023, 20001), (1243, 16461), (1829, 11187), (1947, 10509), (3069, 6667), (3503, 5841), (3729, 5487)]