20618472

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 63037440

約数和(自身を除く): 42418968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 37, 42, 56, 62, 74, 84, 93, 107, 111, 124, 148, 168, 186, 214, 217, 222, 248, 259, 296, 321, 372, 428, 434, 444, 518, 642, 651, 744, 749, 777, 856, 868, 888, 1036, 1147, 1284, 1302, 1498, 1554, 1736, 2072, 2247, 2294, 2568, 2604, 2996, 3108, 3317, 3441, 3959, 4494, 4588, 5208, 5992, 6216, 6634, 6882, 7918, 8029, 8988, 9176, 9951, 11877, 13268, 13764, 15836, 16058, 17976, 19902, 23219, 23754, 24087, 26536, 27528, 27713, 31672, 32116, 39804, 46438, 47508, 48174, 55426, 64232, 69657, 79608, 83139, 92876, 95016, 96348, 110852, 122729, 139314, 166278, 185752, 192696, 221704, 245458, 278628, 332556, 368187, 490916, 557256, 665112, 736374, 859103, 981832, 1472748, 1718206, 2577309, 2945496, 3436412, 5154618, 6872824, 10309236, 20618472]

約数ペア:

[(1, 20618472), (2, 10309236), (3, 6872824), (4, 5154618), (6, 3436412), (7, 2945496), (8, 2577309), (12, 1718206), (14, 1472748), (21, 981832), (24, 859103), (28, 736374), (31, 665112), (37, 557256), (42, 490916), (56, 368187), (62, 332556), (74, 278628), (84, 245458), (93, 221704), (107, 192696), (111, 185752), (124, 166278), (148, 139314), (168, 122729), (186, 110852), (214, 96348), (217, 95016), (222, 92876), (248, 83139), (259, 79608), (296, 69657), (321, 64232), (372, 55426), (428, 48174), (434, 47508), (444, 46438), (518, 39804), (642, 32116), (651, 31672), (744, 27713), (749, 27528), (777, 26536), (856, 24087), (868, 23754), (888, 23219), (1036, 19902), (1147, 17976), (1284, 16058), (1302, 15836), (1498, 13764), (1554, 13268), (1736, 11877), (2072, 9951), (2247, 9176), (2294, 8988), (2568, 8029), (2604, 7918), (2996, 6882), (3108, 6634), (3317, 6216), (3441, 5992), (3959, 5208), (4494, 4588)]