20376618

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{647}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 22080342

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 181, 362, 543, 647, 1086, 1294, 1941, 3882, 5249, 10498, 15747, 18763, 31494, 37526, 56289, 112578, 117107, 234214, 351321, 702642, 3396103, 6792206, 10188309, 20376618]

約数ペア:

[(1, 20376618), (2, 10188309), (3, 6792206), (6, 3396103), (29, 702642), (58, 351321), (87, 234214), (174, 117107), (181, 112578), (362, 56289), (543, 37526), (647, 31494), (1086, 18763), (1294, 15747), (1941, 10498), (3882, 5249)]