20170019268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{284839}}^1$

素因数の和:285137

約数の個数: 72

約数和(自身を含む): 58476512640

約数和(自身を除く): 38306493372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 281, 562, 843, 1124, 1686, 1967, 2529, 3372, 3934, 5058, 5901, 7868, 10116, 11802, 17703, 23604, 35406, 70812, 284839, 569678, 854517, 1139356, 1709034, 1993873, 2563551, 3418068, 3987746, 5127102, 5981619, 7975492, 10254204, 11963238, 17944857, 23926476, 35889714, 71779428, 80039759, 160079518, 240119277, 320159036, 480238554, 560278313, 720357831, 960477108, 1120556626, 1440715662, 1680834939, 2241113252, 2881431324, 3361669878, 5042504817, 6723339756, 10085009634, 20170019268]

約数ペア:

[(1, 20170019268), (2, 10085009634), (3, 6723339756), (4, 5042504817), (6, 3361669878), (7, 2881431324), (9, 2241113252), (12, 1680834939), (14, 1440715662), (18, 1120556626), (21, 960477108), (28, 720357831), (36, 560278313), (42, 480238554), (63, 320159036), (84, 240119277), (126, 160079518), (252, 80039759), (281, 71779428), (562, 35889714), (843, 23926476), (1124, 17944857), (1686, 11963238), (1967, 10254204), (2529, 7975492), (3372, 5981619), (3934, 5127102), (5058, 3987746), (5901, 3418068), (7868, 2563551), (10116, 1993873), (11802, 1709034), (17703, 1139356), (23604, 854517), (35406, 569678), (70812, 284839)]