20187539568

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{122867}}^1$

素因数の和:123051

約数の個数: 120

約数和(自身を含む): 64964734848

約数和(自身を除く): 44777195280

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 163, 168, 252, 326, 336, 489, 504, 652, 978, 1008, 1141, 1304, 1467, 1956, 2282, 2608, 2934, 3423, 3912, 4564, 5868, 6846, 7824, 9128, 10269, 11736, 13692, 18256, 20538, 23472, 27384, 41076, 54768, 82152, 122867, 164304, 245734, 368601, 491468, 737202, 860069, 982936, 1105803, 1474404, 1720138, 1965872, 2211606, 2580207, 2948808, 3440276, 4423212, 5160414, 5897616, 6880552, 7740621, 8846424, 10320828, 13761104, 15481242, 17692848, 20027321, 20641656, 30962484, 40054642, 41283312, 60081963, 61924968, 80109284, 120163926, 123849936, 140191247, 160218568, 180245889, 240327852, 280382494, 320437136, 360491778, 420573741, 480655704, 560764988, 720983556, 841147482, 961311408, 1121529976, 1261721223, 1441967112, 1682294964, 2243059952, 2523442446, 2883934224, 3364589928, 5046884892, 6729179856, 10093769784, 20187539568]

約数ペア:

[(1, 20187539568), (2, 10093769784), (3, 6729179856), (4, 5046884892), (6, 3364589928), (7, 2883934224), (8, 2523442446), (9, 2243059952), (12, 1682294964), (14, 1441967112), (16, 1261721223), (18, 1121529976), (21, 961311408), (24, 841147482), (28, 720983556), (36, 560764988), (42, 480655704), (48, 420573741), (56, 360491778), (63, 320437136), (72, 280382494), (84, 240327852), (112, 180245889), (126, 160218568), (144, 140191247), (163, 123849936), (168, 120163926), (252, 80109284), (326, 61924968), (336, 60081963), (489, 41283312), (504, 40054642), (652, 30962484), (978, 20641656), (1008, 20027321), (1141, 17692848), (1304, 15481242), (1467, 13761104), (1956, 10320828), (2282, 8846424), (2608, 7740621), (2934, 6880552), (3423, 5897616), (3912, 5160414), (4564, 4423212), (5868, 3440276), (6846, 2948808), (7824, 2580207), (9128, 2211606), (10269, 1965872), (11736, 1720138), (13692, 1474404), (18256, 1105803), (20538, 982936), (23472, 860069), (27384, 737202), (41076, 491468), (54768, 368601), (82152, 245734), (122867, 164304)]