20085175590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2477}}^1\times {\mathrm{8719}}^1$

素因数の和:11237

約数の個数: 64

約数和(自身を含む): 49785200640

約数和(自身を除く): 29700025050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 2477, 4954, 7431, 8719, 12385, 14862, 17438, 24770, 26157, 37155, 43595, 52314, 74310, 76787, 87190, 130785, 153574, 230361, 261570, 270289, 383935, 460722, 540578, 767870, 810867, 1151805, 1351445, 1621734, 2303610, 2702890, 4054335, 8108670, 21596963, 43193926, 64790889, 107984815, 129581778, 215969630, 323954445, 647908890, 669505853, 1339011706, 2008517559, 3347529265, 4017035118, 6695058530, 10042587795, 20085175590]

約数ペア:

[(1, 20085175590), (2, 10042587795), (3, 6695058530), (5, 4017035118), (6, 3347529265), (10, 2008517559), (15, 1339011706), (30, 669505853), (31, 647908890), (62, 323954445), (93, 215969630), (155, 129581778), (186, 107984815), (310, 64790889), (465, 43193926), (930, 21596963), (2477, 8108670), (4954, 4054335), (7431, 2702890), (8719, 2303610), (12385, 1621734), (14862, 1351445), (17438, 1151805), (24770, 810867), (26157, 767870), (37155, 540578), (43595, 460722), (52314, 383935), (74310, 270289), (76787, 261570), (87190, 230361), (130785, 153574)]