20604888148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{347891}}^1$

素因数の和:347992

約数の個数: 48

約数和(自身を含む): 41730341184

約数和(自身を除く): 21125453036

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 67, 68, 134, 221, 268, 442, 871, 884, 1139, 1742, 2278, 3484, 4556, 14807, 29614, 59228, 347891, 695782, 1391564, 4522583, 5914147, 9045166, 11828294, 18090332, 23308697, 23656588, 46617394, 76883911, 93234788, 153767822, 303013061, 307535644, 396247849, 606026122, 792495698, 1212052244, 1584991396, 5151222037, 10302444074, 20604888148]

約数ペア:

[(1, 20604888148), (2, 10302444074), (4, 5151222037), (13, 1584991396), (17, 1212052244), (26, 792495698), (34, 606026122), (52, 396247849), (67, 307535644), (68, 303013061), (134, 153767822), (221, 93234788), (268, 76883911), (442, 46617394), (871, 23656588), (884, 23308697), (1139, 18090332), (1742, 11828294), (2278, 9045166), (3484, 5914147), (4556, 4522583), (14807, 1391564), (29614, 695782), (59228, 347891)]