20157921133

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1\times {\mathrm{3943}}^1$

素因数の和:4417

約数の個数: 32

約数和(自身を含む): 24171356160

約数和(自身を除く): 4013435027

約数列:

[1, 7, 41, 47, 287, 329, 379, 1927, 2653, 3943, 13489, 15539, 17813, 27601, 108773, 124691, 161663, 185321, 730333, 1131641, 1297247, 1494397, 5112331, 7598161, 10460779, 53187127, 61270277, 70236659, 428891939, 491656613, 2879703019, 20157921133]

約数ペア:

[(1, 20157921133), (7, 2879703019), (41, 491656613), (47, 428891939), (287, 70236659), (329, 61270277), (379, 53187127), (1927, 10460779), (2653, 7598161), (3943, 5112331), (13489, 1494397), (15539, 1297247), (17813, 1131641), (27601, 730333), (108773, 185321), (124691, 161663)]