20103776992

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1028221}}^1$

素因数の和:1028291

約数の個数: 48

約数和(自身を含む): 43530806592

約数和(自身を除く): 23427029600

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 188, 208, 376, 416, 611, 752, 1222, 1504, 2444, 4888, 9776, 19552, 1028221, 2056442, 4112884, 8225768, 13366873, 16451536, 26733746, 32903072, 48326387, 53467492, 96652774, 106934984, 193305548, 213869968, 386611096, 427739936, 628243031, 773222192, 1256486062, 1546444384, 2512972124, 5025944248, 10051888496, 20103776992]

約数ペア:

[(1, 20103776992), (2, 10051888496), (4, 5025944248), (8, 2512972124), (13, 1546444384), (16, 1256486062), (26, 773222192), (32, 628243031), (47, 427739936), (52, 386611096), (94, 213869968), (104, 193305548), (188, 106934984), (208, 96652774), (376, 53467492), (416, 48326387), (611, 32903072), (752, 26733746), (1222, 16451536), (1504, 13366873), (2444, 8225768), (4888, 4112884), (9776, 2056442), (19552, 1028221)]