20163586725

素因数分解:

$3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{8161}}^1$

素因数の和:8395

約数の個数: 72

約数和(自身を含む): 36840003200

約数和(自身を除く): 16676416475

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 139, 225, 237, 395, 417, 695, 711, 1185, 1251, 1975, 2085, 3475, 3555, 5925, 6255, 8161, 10425, 10981, 17775, 24483, 31275, 32943, 40805, 54905, 73449, 98829, 122415, 164715, 204025, 274525, 367245, 494145, 612075, 644719, 823575, 1134379, 1836225, 1934157, 2470725, 3223595, 3403137, 5671895, 5802471, 9670785, 10209411, 16117975, 17015685, 28359475, 29012355, 48353925, 51047055, 85078425, 89615941, 145061775, 255235275, 268847823, 448079705, 806543469, 1344239115, 2240398525, 4032717345, 6721195575, 20163586725]

約数ペア:

[(1, 20163586725), (3, 6721195575), (5, 4032717345), (9, 2240398525), (15, 1344239115), (25, 806543469), (45, 448079705), (75, 268847823), (79, 255235275), (139, 145061775), (225, 89615941), (237, 85078425), (395, 51047055), (417, 48353925), (695, 29012355), (711, 28359475), (1185, 17015685), (1251, 16117975), (1975, 10209411), (2085, 9670785), (3475, 5802471), (3555, 5671895), (5925, 3403137), (6255, 3223595), (8161, 2470725), (10425, 1934157), (10981, 1836225), (17775, 1134379), (24483, 823575), (31275, 644719), (32943, 612075), (40805, 494145), (54905, 367245), (73449, 274525), (98829, 204025), (122415, 164715)]