20169919136

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{379}}^1\times {\mathrm{31379}}^1$

素因数の和:31821

約数の個数: 48

約数和(自身を含む): 40566808800

約数和(自身を除く): 20396889664

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 379, 424, 758, 848, 1516, 1696, 3032, 6064, 12128, 20087, 31379, 40174, 62758, 80348, 125516, 160696, 251032, 321392, 502064, 642784, 1004128, 1663087, 3326174, 6652348, 11892641, 13304696, 23785282, 26609392, 47570564, 53218784, 95141128, 190282256, 380564512, 630309973, 1260619946, 2521239892, 5042479784, 10084959568, 20169919136]

約数ペア:

[(1, 20169919136), (2, 10084959568), (4, 5042479784), (8, 2521239892), (16, 1260619946), (32, 630309973), (53, 380564512), (106, 190282256), (212, 95141128), (379, 53218784), (424, 47570564), (758, 26609392), (848, 23785282), (1516, 13304696), (1696, 11892641), (3032, 6652348), (6064, 3326174), (12128, 1663087), (20087, 1004128), (31379, 642784), (40174, 502064), (62758, 321392), (80348, 251032), (125516, 160696)]