20353560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 45310440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 79, 95, 113, 114, 120, 152, 158, 190, 226, 228, 237, 285, 316, 339, 380, 395, 452, 456, 474, 565, 570, 632, 678, 760, 790, 904, 948, 1130, 1140, 1185, 1356, 1501, 1580, 1695, 1896, 2147, 2260, 2280, 2370, 2712, 3002, 3160, 3390, 4294, 4503, 4520, 4740, 6004, 6441, 6780, 7505, 8588, 8927, 9006, 9480, 10735, 12008, 12882, 13560, 15010, 17176, 17854, 18012, 21470, 22515, 25764, 26781, 30020, 32205, 35708, 36024, 42940, 44635, 45030, 51528, 53562, 60040, 64410, 71416, 85880, 89270, 90060, 107124, 128820, 133905, 169613, 178540, 180120, 214248, 257640, 267810, 339226, 357080, 508839, 535620, 678452, 848065, 1017678, 1071240, 1356904, 1696130, 2035356, 2544195, 3392260, 4070712, 5088390, 6784520, 10176780, 20353560]

約数ペア:

[(1, 20353560), (2, 10176780), (3, 6784520), (4, 5088390), (5, 4070712), (6, 3392260), (8, 2544195), (10, 2035356), (12, 1696130), (15, 1356904), (19, 1071240), (20, 1017678), (24, 848065), (30, 678452), (38, 535620), (40, 508839), (57, 357080), (60, 339226), (76, 267810), (79, 257640), (95, 214248), (113, 180120), (114, 178540), (120, 169613), (152, 133905), (158, 128820), (190, 107124), (226, 90060), (228, 89270), (237, 85880), (285, 71416), (316, 64410), (339, 60040), (380, 53562), (395, 51528), (452, 45030), (456, 44635), (474, 42940), (565, 36024), (570, 35708), (632, 32205), (678, 30020), (760, 26781), (790, 25764), (904, 22515), (948, 21470), (1130, 18012), (1140, 17854), (1185, 17176), (1356, 15010), (1501, 13560), (1580, 12882), (1695, 12008), (1896, 10735), (2147, 9480), (2260, 9006), (2280, 8927), (2370, 8588), (2712, 7505), (3002, 6780), (3160, 6441), (3390, 6004), (4294, 4740), (4503, 4520)]