20249919560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{107873}}^1$

素因数の和:107935

約数の個数: 96

約数和(自身を含む): 51785992440

約数和(自身を除く): 31536072880

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 361, 380, 494, 520, 722, 760, 988, 1235, 1444, 1805, 1976, 2470, 2888, 3610, 4693, 4940, 7220, 9386, 9880, 14440, 18772, 23465, 37544, 46930, 93860, 107873, 187720, 215746, 431492, 539365, 862984, 1078730, 1402349, 2049587, 2157460, 2804698, 4099174, 4314920, 5609396, 7011745, 8198348, 10247935, 11218792, 14023490, 16396696, 20495870, 26644631, 28046980, 38942153, 40991740, 53289262, 56093960, 77884306, 81983480, 106578524, 133223155, 155768612, 194710765, 213157048, 266446310, 311537224, 389421530, 506247989, 532892620, 778843060, 1012495978, 1065785240, 1557686120, 2024991956, 2531239945, 4049983912, 5062479890, 10124959780, 20249919560]

約数ペア:

[(1, 20249919560), (2, 10124959780), (4, 5062479890), (5, 4049983912), (8, 2531239945), (10, 2024991956), (13, 1557686120), (19, 1065785240), (20, 1012495978), (26, 778843060), (38, 532892620), (40, 506247989), (52, 389421530), (65, 311537224), (76, 266446310), (95, 213157048), (104, 194710765), (130, 155768612), (152, 133223155), (190, 106578524), (247, 81983480), (260, 77884306), (361, 56093960), (380, 53289262), (494, 40991740), (520, 38942153), (722, 28046980), (760, 26644631), (988, 20495870), (1235, 16396696), (1444, 14023490), (1805, 11218792), (1976, 10247935), (2470, 8198348), (2888, 7011745), (3610, 5609396), (4693, 4314920), (4940, 4099174), (7220, 2804698), (9386, 2157460), (9880, 2049587), (14440, 1402349), (18772, 1078730), (23465, 862984), (37544, 539365), (46930, 431492), (93860, 215746), (107873, 187720)]