20216906784

素因数分解:

$2^5\times 3^2\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{2999}}^1$

素因数の和:3367

約数の個数: 144

約数和(自身を含む): 58378320000

約数和(自身を除く): 38161413216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 89, 96, 144, 178, 263, 267, 288, 356, 526, 534, 712, 789, 801, 1052, 1068, 1424, 1578, 1602, 2104, 2136, 2367, 2848, 2999, 3156, 3204, 4208, 4272, 4734, 5998, 6312, 6408, 8416, 8544, 8997, 9468, 11996, 12624, 12816, 17994, 18936, 23407, 23992, 25248, 25632, 26991, 35988, 37872, 46814, 47984, 53982, 70221, 71976, 75744, 93628, 95968, 107964, 140442, 143952, 187256, 210663, 215928, 266911, 280884, 287904, 374512, 421326, 431856, 533822, 561768, 749024, 788737, 800733, 842652, 863712, 1067644, 1123536, 1577474, 1601466, 1685304, 2135288, 2247072, 2366211, 2402199, 3154948, 3202932, 3370608, 4270576, 4732422, 4804398, 6309896, 6405864, 6741216, 7098633, 8541152, 9464844, 9608796, 12619792, 12811728, 14197266, 18929688, 19217592, 25239584, 25623456, 28394532, 37859376, 38435184, 56789064, 70197593, 75718752, 76870368, 113578128, 140395186, 210592779, 227156256, 280790372, 421185558, 561580744, 631778337, 842371116, 1123161488, 1263556674, 1684742232, 2246322976, 2527113348, 3369484464, 5054226696, 6738968928, 10108453392, 20216906784]

約数ペア:

[(1, 20216906784), (2, 10108453392), (3, 6738968928), (4, 5054226696), (6, 3369484464), (8, 2527113348), (9, 2246322976), (12, 1684742232), (16, 1263556674), (18, 1123161488), (24, 842371116), (32, 631778337), (36, 561580744), (48, 421185558), (72, 280790372), (89, 227156256), (96, 210592779), (144, 140395186), (178, 113578128), (263, 76870368), (267, 75718752), (288, 70197593), (356, 56789064), (526, 38435184), (534, 37859376), (712, 28394532), (789, 25623456), (801, 25239584), (1052, 19217592), (1068, 18929688), (1424, 14197266), (1578, 12811728), (1602, 12619792), (2104, 9608796), (2136, 9464844), (2367, 8541152), (2848, 7098633), (2999, 6741216), (3156, 6405864), (3204, 6309896), (4208, 4804398), (4272, 4732422), (4734, 4270576), (5998, 3370608), (6312, 3202932), (6408, 3154948), (8416, 2402199), (8544, 2366211), (8997, 2247072), (9468, 2135288), (11996, 1685304), (12624, 1601466), (12816, 1577474), (17994, 1123536), (18936, 1067644), (23407, 863712), (23992, 842652), (25248, 800733), (25632, 788737), (26991, 749024), (35988, 561768), (37872, 533822), (46814, 431856), (47984, 421326), (53982, 374512), (70221, 287904), (71976, 280884), (75744, 266911), (93628, 215928), (95968, 210663), (107964, 187256), (140442, 143952)]