20543160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:301

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 47885640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 79, 88, 110, 120, 132, 158, 165, 197, 220, 237, 264, 316, 330, 394, 395, 440, 474, 591, 632, 660, 788, 790, 869, 948, 985, 1182, 1185, 1320, 1576, 1580, 1738, 1896, 1970, 2167, 2364, 2370, 2607, 2955, 3160, 3476, 3940, 4334, 4345, 4728, 4740, 5214, 5910, 6501, 6952, 7880, 8668, 8690, 9480, 10428, 10835, 11820, 13002, 13035, 15563, 17336, 17380, 20856, 21670, 23640, 26004, 26070, 31126, 32505, 34760, 43340, 46689, 52008, 52140, 62252, 65010, 77815, 86680, 93378, 104280, 124504, 130020, 155630, 171193, 186756, 233445, 260040, 311260, 342386, 373512, 466890, 513579, 622520, 684772, 855965, 933780, 1027158, 1369544, 1711930, 1867560, 2054316, 2567895, 3423860, 4108632, 5135790, 6847720, 10271580, 20543160]

約数ペア:

[(1, 20543160), (2, 10271580), (3, 6847720), (4, 5135790), (5, 4108632), (6, 3423860), (8, 2567895), (10, 2054316), (11, 1867560), (12, 1711930), (15, 1369544), (20, 1027158), (22, 933780), (24, 855965), (30, 684772), (33, 622520), (40, 513579), (44, 466890), (55, 373512), (60, 342386), (66, 311260), (79, 260040), (88, 233445), (110, 186756), (120, 171193), (132, 155630), (158, 130020), (165, 124504), (197, 104280), (220, 93378), (237, 86680), (264, 77815), (316, 65010), (330, 62252), (394, 52140), (395, 52008), (440, 46689), (474, 43340), (591, 34760), (632, 32505), (660, 31126), (788, 26070), (790, 26004), (869, 23640), (948, 21670), (985, 20856), (1182, 17380), (1185, 17336), (1320, 15563), (1576, 13035), (1580, 13002), (1738, 11820), (1896, 10835), (1970, 10428), (2167, 9480), (2364, 8690), (2370, 8668), (2607, 7880), (2955, 6952), (3160, 6501), (3476, 5910), (3940, 5214), (4334, 4740), (4345, 4728)]