20619618

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{349}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 42504000

約数和(自身を除く): 21884382

約数列:

[1, 2, 3, 6, 43, 86, 129, 229, 258, 349, 458, 687, 698, 1047, 1374, 2094, 9847, 15007, 19694, 29541, 30014, 45021, 59082, 79921, 90042, 159842, 239763, 479526, 3436603, 6873206, 10309809, 20619618]

約数ペア:

[(1, 20619618), (2, 10309809), (3, 6873206), (6, 3436603), (43, 479526), (86, 239763), (129, 159842), (229, 90042), (258, 79921), (349, 59082), (458, 45021), (687, 30014), (698, 29541), (1047, 19694), (1374, 15007), (2094, 9847)]