20145857548

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{99317}}^1$

素因数の和:99514

約数の個数: 48

約数和(自身を含む): 39544454880

約数和(自身を除く): 19398597332

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 157, 314, 323, 628, 646, 1292, 2669, 2983, 5338, 5966, 10676, 11932, 50711, 99317, 101422, 198634, 202844, 397268, 1688389, 1887023, 3376778, 3774046, 6753556, 7548092, 15592769, 31185538, 32079391, 62371076, 64158782, 128317564, 265077073, 296262611, 530154146, 592525222, 1060308292, 1185050444, 5036464387, 10072928774, 20145857548]

約数ペア:

[(1, 20145857548), (2, 10072928774), (4, 5036464387), (17, 1185050444), (19, 1060308292), (34, 592525222), (38, 530154146), (68, 296262611), (76, 265077073), (157, 128317564), (314, 64158782), (323, 62371076), (628, 32079391), (646, 31185538), (1292, 15592769), (2669, 7548092), (2983, 6753556), (5338, 3774046), (5966, 3376778), (10676, 1887023), (11932, 1688389), (50711, 397268), (99317, 202844), (101422, 198634)]