20485224

素因数分解:

$2^3\times 3^4\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 58130820

約数和(自身を除く): 37645596

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 101, 108, 162, 202, 216, 303, 313, 324, 404, 606, 626, 648, 808, 909, 939, 1212, 1252, 1818, 1878, 2424, 2504, 2727, 2817, 3636, 3756, 5454, 5634, 7272, 7512, 8181, 8451, 10908, 11268, 16362, 16902, 21816, 22536, 25353, 31613, 32724, 33804, 50706, 63226, 65448, 67608, 94839, 101412, 126452, 189678, 202824, 252904, 284517, 379356, 569034, 758712, 853551, 1138068, 1707102, 2276136, 2560653, 3414204, 5121306, 6828408, 10242612, 20485224]

約数ペア:

[(1, 20485224), (2, 10242612), (3, 6828408), (4, 5121306), (6, 3414204), (8, 2560653), (9, 2276136), (12, 1707102), (18, 1138068), (24, 853551), (27, 758712), (36, 569034), (54, 379356), (72, 284517), (81, 252904), (101, 202824), (108, 189678), (162, 126452), (202, 101412), (216, 94839), (303, 67608), (313, 65448), (324, 63226), (404, 50706), (606, 33804), (626, 32724), (648, 31613), (808, 25353), (909, 22536), (939, 21816), (1212, 16902), (1252, 16362), (1818, 11268), (1878, 10908), (2424, 8451), (2504, 8181), (2727, 7512), (2817, 7272), (3636, 5634), (3756, 5454)]