16821036220

素因数分解:

$2^2\times 5^1\times {\mathrm{8231}}^1\times {\mathrm{102181}}^1$

素因数の和:110421

約数の個数: 24

約数和(自身を含む): 35328813408

約数和(自身を除く): 18507777188

約数列:

[1, 2, 4, 5, 10, 20, 8231, 16462, 32924, 41155, 82310, 102181, 164620, 204362, 408724, 510905, 1021810, 2043620, 841051811, 1682103622, 3364207244, 4205259055, 8410518110, 16821036220]

約数ペア:

[(1, 16821036220), (2, 8410518110), (4, 4205259055), (5, 3364207244), (10, 1682103622), (20, 841051811), (8231, 2043620), (16462, 1021810), (32924, 510905), (41155, 408724), (82310, 204362), (102181, 164620)]