20488025220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26266699}}^1$

素因数の和:26266724

約数の個数: 48

約数和(自身を含む): 61779278400

約数和(自身を除く): 41291253180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 26266699, 52533398, 78800097, 105066796, 131333495, 157600194, 262666990, 315200388, 341467087, 394000485, 525333980, 682934174, 788000970, 1024401261, 1365868348, 1576001940, 1707335435, 2048802522, 3414670870, 4097605044, 5122006305, 6829341740, 10244012610, 20488025220]

約数ペア:

[(1, 20488025220), (2, 10244012610), (3, 6829341740), (4, 5122006305), (5, 4097605044), (6, 3414670870), (10, 2048802522), (12, 1707335435), (13, 1576001940), (15, 1365868348), (20, 1024401261), (26, 788000970), (30, 682934174), (39, 525333980), (52, 394000485), (60, 341467087), (65, 315200388), (78, 262666990), (130, 157600194), (156, 131333495), (195, 105066796), (260, 78800097), (390, 52533398), (780, 26266699)]