20025581072

素因数分解:

$2^4\times 7^2\times {\mathrm{79}}^1\times {\mathrm{367}}^1\times {\mathrm{881}}^1$

素因数の和:1349

約数の個数: 120

約数和(自身を含む): 45882063360

約数和(自身を除く): 25856482288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 79, 98, 112, 158, 196, 316, 367, 392, 553, 632, 734, 784, 881, 1106, 1264, 1468, 1762, 2212, 2569, 2936, 3524, 3871, 4424, 5138, 5872, 6167, 7048, 7742, 8848, 10276, 12334, 14096, 15484, 17983, 20552, 24668, 28993, 30968, 35966, 41104, 43169, 49336, 57986, 61936, 69599, 71932, 86338, 98672, 115972, 139198, 143864, 172676, 202951, 231944, 278396, 287728, 323327, 345352, 405902, 463888, 487193, 556792, 646654, 690704, 811804, 974386, 1113584, 1293308, 1420657, 1623608, 1948772, 2263289, 2586616, 2841314, 3247216, 3410351, 3897544, 4526578, 5173232, 5682628, 6820702, 7795088, 9053156, 11365256, 13641404, 15843023, 18106312, 22730512, 25542833, 27282808, 31686046, 36212624, 51085666, 54565616, 63372092, 102171332, 126744184, 178799831, 204342664, 253488368, 357599662, 408685328, 715199324, 1251598817, 1430398648, 2503197634, 2860797296, 5006395268, 10012790536, 20025581072]

約数ペア:

[(1, 20025581072), (2, 10012790536), (4, 5006395268), (7, 2860797296), (8, 2503197634), (14, 1430398648), (16, 1251598817), (28, 715199324), (49, 408685328), (56, 357599662), (79, 253488368), (98, 204342664), (112, 178799831), (158, 126744184), (196, 102171332), (316, 63372092), (367, 54565616), (392, 51085666), (553, 36212624), (632, 31686046), (734, 27282808), (784, 25542833), (881, 22730512), (1106, 18106312), (1264, 15843023), (1468, 13641404), (1762, 11365256), (2212, 9053156), (2569, 7795088), (2936, 6820702), (3524, 5682628), (3871, 5173232), (4424, 4526578), (5138, 3897544), (5872, 3410351), (6167, 3247216), (7048, 2841314), (7742, 2586616), (8848, 2263289), (10276, 1948772), (12334, 1623608), (14096, 1420657), (15484, 1293308), (17983, 1113584), (20552, 974386), (24668, 811804), (28993, 690704), (30968, 646654), (35966, 556792), (41104, 487193), (43169, 463888), (49336, 405902), (57986, 345352), (61936, 323327), (69599, 287728), (71932, 278396), (86338, 231944), (98672, 202951), (115972, 172676), (139198, 143864)]