20844018

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{317}}^1$

素因数の和:619

約数の個数: 48

約数和(自身を含む): 48963096

約数和(自身を除く): 28119078

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 281, 317, 562, 634, 843, 951, 1686, 1902, 2529, 2853, 3653, 4121, 5058, 5706, 7306, 8242, 10959, 12363, 21918, 24726, 32877, 37089, 65754, 74178, 89077, 178154, 267231, 534462, 801693, 1158001, 1603386, 2316002, 3474003, 6948006, 10422009, 20844018]

約数ペア:

[(1, 20844018), (2, 10422009), (3, 6948006), (6, 3474003), (9, 2316002), (13, 1603386), (18, 1158001), (26, 801693), (39, 534462), (78, 267231), (117, 178154), (234, 89077), (281, 74178), (317, 65754), (562, 37089), (634, 32877), (843, 24726), (951, 21918), (1686, 12363), (1902, 10959), (2529, 8242), (2853, 7306), (3653, 5706), (4121, 5058)]