20923061744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5294297}}^1$

素因数の和:5294337

約数の個数: 40

約数和(自身を含む): 45954506640

約数和(自身を除く): 25031444896

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 5294297, 10588594, 21177188, 42354376, 68825861, 84708752, 100591643, 137651722, 201183286, 275303444, 402366572, 550606888, 804733144, 1101213776, 1307691359, 1609466288, 2615382718, 5230765436, 10461530872, 20923061744]

約数ペア:

[(1, 20923061744), (2, 10461530872), (4, 5230765436), (8, 2615382718), (13, 1609466288), (16, 1307691359), (19, 1101213776), (26, 804733144), (38, 550606888), (52, 402366572), (76, 275303444), (104, 201183286), (152, 137651722), (208, 100591643), (247, 84708752), (304, 68825861), (494, 42354376), (988, 21177188), (1976, 10588594), (3952, 5294297)]