20128180968

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{3061}}^1\times {\mathrm{4349}}^1$

素因数の和:7432

約数の個数: 128

約数和(自身を含む): 63934560000

約数和(自身を除く): 43806379032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 3061, 4349, 6122, 8698, 9183, 12244, 13047, 17396, 18366, 21427, 24488, 26094, 27549, 30443, 34792, 36732, 39141, 42854, 52188, 55098, 60886, 64281, 73464, 78282, 82647, 85708, 91329, 104376, 110196, 117423, 121772, 128562, 156564, 165294, 171416, 182658, 192843, 220392, 234846, 243544, 257124, 273987, 313128, 330588, 365316, 385686, 469692, 514248, 547974, 578529, 661176, 730632, 771372, 821961, 939384, 1095948, 1157058, 1542744, 1643922, 2191896, 2314116, 3287844, 4628232, 6575688, 13312289, 26624578, 39936867, 53249156, 79873734, 93186023, 106498312, 119810601, 159747468, 186372046, 239621202, 279558069, 319494936, 359431803, 372744092, 479242404, 559116138, 718863606, 745488184, 838674207, 958484808, 1118232276, 1437727212, 1677348414, 2236464552, 2516022621, 2875454424, 3354696828, 5032045242, 6709393656, 10064090484, 20128180968]

約数ペア:

[(1, 20128180968), (2, 10064090484), (3, 6709393656), (4, 5032045242), (6, 3354696828), (7, 2875454424), (8, 2516022621), (9, 2236464552), (12, 1677348414), (14, 1437727212), (18, 1118232276), (21, 958484808), (24, 838674207), (27, 745488184), (28, 718863606), (36, 559116138), (42, 479242404), (54, 372744092), (56, 359431803), (63, 319494936), (72, 279558069), (84, 239621202), (108, 186372046), (126, 159747468), (168, 119810601), (189, 106498312), (216, 93186023), (252, 79873734), (378, 53249156), (504, 39936867), (756, 26624578), (1512, 13312289), (3061, 6575688), (4349, 4628232), (6122, 3287844), (8698, 2314116), (9183, 2191896), (12244, 1643922), (13047, 1542744), (17396, 1157058), (18366, 1095948), (21427, 939384), (24488, 821961), (26094, 771372), (27549, 730632), (30443, 661176), (34792, 578529), (36732, 547974), (39141, 514248), (42854, 469692), (52188, 385686), (55098, 365316), (60886, 330588), (64281, 313128), (73464, 273987), (78282, 257124), (82647, 243544), (85708, 234846), (91329, 220392), (104376, 192843), (110196, 182658), (117423, 171416), (121772, 165294), (128562, 156564)]