20779947240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13320479}}^1$

素因数の和:13320506

約数の個数: 64

約数和(自身を含む): 67135219200

約数和(自身を除く): 46355271960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 13320479, 26640958, 39961437, 53281916, 66602395, 79922874, 106563832, 133204790, 159845748, 173166227, 199807185, 266409580, 319691496, 346332454, 399614370, 519498681, 532819160, 692664908, 799228740, 865831135, 1038997362, 1385329816, 1598457480, 1731662270, 2077994724, 2597493405, 3463324540, 4155989448, 5194986810, 6926649080, 10389973620, 20779947240]

約数ペア:

[(1, 20779947240), (2, 10389973620), (3, 6926649080), (4, 5194986810), (5, 4155989448), (6, 3463324540), (8, 2597493405), (10, 2077994724), (12, 1731662270), (13, 1598457480), (15, 1385329816), (20, 1038997362), (24, 865831135), (26, 799228740), (30, 692664908), (39, 532819160), (40, 519498681), (52, 399614370), (60, 346332454), (65, 319691496), (78, 266409580), (104, 199807185), (120, 173166227), (130, 159845748), (156, 133204790), (195, 106563832), (260, 79922874), (312, 66602395), (390, 53281916), (520, 39961437), (780, 26640958), (1560, 13320479)]