20677878

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{911}}^1$

素因数の和:1029

約数の個数: 48

約数和(自身を含む): 48799296

約数和(自身を除く): 28121418

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 97, 117, 194, 234, 291, 582, 873, 911, 1261, 1746, 1822, 2522, 2733, 3783, 5466, 7566, 8199, 11349, 11843, 16398, 22698, 23686, 35529, 71058, 88367, 106587, 176734, 213174, 265101, 530202, 795303, 1148771, 1590606, 2297542, 3446313, 6892626, 10338939, 20677878]

約数ペア:

[(1, 20677878), (2, 10338939), (3, 6892626), (6, 3446313), (9, 2297542), (13, 1590606), (18, 1148771), (26, 795303), (39, 530202), (78, 265101), (97, 213174), (117, 176734), (194, 106587), (234, 88367), (291, 71058), (582, 35529), (873, 23686), (911, 22698), (1261, 16398), (1746, 11843), (1822, 11349), (2522, 8199), (2733, 7566), (3783, 5466)]