20501830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1453}}^1$

素因数の和:1560

約数の個数: 32

約数和(自身を含む): 39572064

約数和(自身を除く): 19070234

約数列:

[1, 2, 5, 10, 17, 34, 83, 85, 166, 170, 415, 830, 1411, 1453, 2822, 2906, 7055, 7265, 14110, 14530, 24701, 49402, 120599, 123505, 241198, 247010, 602995, 1205990, 2050183, 4100366, 10250915, 20501830]

約数ペア:

[(1, 20501830), (2, 10250915), (5, 4100366), (10, 2050183), (17, 1205990), (34, 602995), (83, 247010), (85, 241198), (166, 123505), (170, 120599), (415, 49402), (830, 24701), (1411, 14530), (1453, 14110), (2822, 7265), (2906, 7055)]