20744910

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8537}}^1$

素因数の和:8559

約数の個数: 48

約数和(自身を含む): 55940976

約数和(自身を除く): 35196066

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8537, 17074, 25611, 42685, 51222, 76833, 85370, 128055, 153666, 230499, 256110, 384165, 460998, 691497, 768330, 1152495, 1382994, 2074491, 2304990, 3457485, 4148982, 6914970, 10372455, 20744910]

約数ペア:

[(1, 20744910), (2, 10372455), (3, 6914970), (5, 4148982), (6, 3457485), (9, 2304990), (10, 2074491), (15, 1382994), (18, 1152495), (27, 768330), (30, 691497), (45, 460998), (54, 384165), (81, 256110), (90, 230499), (135, 153666), (162, 128055), (243, 85370), (270, 76833), (405, 51222), (486, 42685), (810, 25611), (1215, 17074), (2430, 8537)]