20214659080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1453}}^1\times {\mathrm{4517}}^1$

素因数の和:5999

約数の個数: 128

約数和(自身を含む): 56757646080

約数和(自身を除く): 36542987000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1453, 1540, 2906, 3080, 4517, 5812, 7265, 9034, 10171, 11624, 14530, 15983, 18068, 20342, 22585, 29060, 31619, 31966, 36136, 40684, 45170, 49687, 50855, 58120, 63238, 63932, 79915, 81368, 90340, 99374, 101710, 111881, 126476, 127864, 158095, 159830, 180680, 198748, 203420, 223762, 248435, 252952, 316190, 319660, 347809, 397496, 406840, 447524, 496870, 559405, 632380, 639320, 695618, 895048, 993740, 1118810, 1264760, 1391236, 1739045, 1987480, 2237620, 2782472, 3478090, 4475240, 6563201, 6956180, 13126402, 13912360, 26252804, 32816005, 45942407, 52505608, 65632010, 72195211, 91884814, 131264020, 144390422, 183769628, 229712035, 262528040, 288780844, 360976055, 367539256, 459424070, 505366477, 577561688, 721952110, 918848140, 1010732954, 1443904220, 1837696280, 2021465908, 2526832385, 2887808440, 4042931816, 5053664770, 10107329540, 20214659080]

約数ペア:

[(1, 20214659080), (2, 10107329540), (4, 5053664770), (5, 4042931816), (7, 2887808440), (8, 2526832385), (10, 2021465908), (11, 1837696280), (14, 1443904220), (20, 1010732954), (22, 918848140), (28, 721952110), (35, 577561688), (40, 505366477), (44, 459424070), (55, 367539256), (56, 360976055), (70, 288780844), (77, 262528040), (88, 229712035), (110, 183769628), (140, 144390422), (154, 131264020), (220, 91884814), (280, 72195211), (308, 65632010), (385, 52505608), (440, 45942407), (616, 32816005), (770, 26252804), (1453, 13912360), (1540, 13126402), (2906, 6956180), (3080, 6563201), (4517, 4475240), (5812, 3478090), (7265, 2782472), (9034, 2237620), (10171, 1987480), (11624, 1739045), (14530, 1391236), (15983, 1264760), (18068, 1118810), (20342, 993740), (22585, 895048), (29060, 695618), (31619, 639320), (31966, 632380), (36136, 559405), (40684, 496870), (45170, 447524), (49687, 406840), (50855, 397496), (58120, 347809), (63238, 319660), (63932, 316190), (79915, 252952), (81368, 248435), (90340, 223762), (99374, 203420), (101710, 198748), (111881, 180680), (126476, 159830), (127864, 158095)]