20810143870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{11909}}^1$

素因数の和:12493

約数の個数: 64

約数和(自身を含む): 41829825600

約数和(自身を除く): 21019681730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 541, 646, 1082, 1615, 2705, 3230, 5410, 9197, 10279, 11909, 18394, 20558, 23818, 45985, 51395, 59545, 91970, 102790, 119090, 174743, 202453, 226271, 349486, 404906, 452542, 873715, 1012265, 1131355, 1747430, 2024530, 2262710, 3846607, 6442769, 7693214, 12885538, 19233035, 32213845, 38466070, 64427690, 109527073, 122412611, 219054146, 244825222, 547635365, 612063055, 1095270730, 1224126110, 2081014387, 4162028774, 10405071935, 20810143870]

約数ペア:

[(1, 20810143870), (2, 10405071935), (5, 4162028774), (10, 2081014387), (17, 1224126110), (19, 1095270730), (34, 612063055), (38, 547635365), (85, 244825222), (95, 219054146), (170, 122412611), (190, 109527073), (323, 64427690), (541, 38466070), (646, 32213845), (1082, 19233035), (1615, 12885538), (2705, 7693214), (3230, 6442769), (5410, 3846607), (9197, 2262710), (10279, 2024530), (11909, 1747430), (18394, 1131355), (20558, 1012265), (23818, 873715), (45985, 452542), (51395, 404906), (59545, 349486), (91970, 226271), (102790, 202453), (119090, 174743)]