20698032957

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1019}}^1\times {\mathrm{5591}}^1$

素因数の和:6793

約数の個数: 32

約数和(自身を含む): 31758981120

約数和(自身を除く): 11060948163

約数列:

[1, 3, 7, 21, 173, 519, 1019, 1211, 3057, 3633, 5591, 7133, 16773, 21399, 39137, 117411, 176287, 528861, 967243, 1234009, 2901729, 3702027, 5697229, 6770701, 17091687, 20312103, 39880603, 119641809, 985620617, 2956861851, 6899344319, 20698032957]

約数ペア:

[(1, 20698032957), (3, 6899344319), (7, 2956861851), (21, 985620617), (173, 119641809), (519, 39880603), (1019, 20312103), (1211, 17091687), (3057, 6770701), (3633, 5697229), (5591, 3702027), (7133, 2901729), (16773, 1234009), (21399, 967243), (39137, 528861), (117411, 176287)]