20571828472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2952329}}^1$

素因数の和:2952415

約数の個数: 32

約数和(自身を含む): 42159272400

約数和(自身を除く): 21587443928

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 2952329, 5904658, 11809316, 23618632, 38380277, 76760554, 153521108, 197806043, 307042216, 395612086, 791224172, 1582448344, 2571478559, 5142957118, 10285914236, 20571828472]

約数ペア:

[(1, 20571828472), (2, 10285914236), (4, 5142957118), (8, 2571478559), (13, 1582448344), (26, 791224172), (52, 395612086), (67, 307042216), (104, 197806043), (134, 153521108), (268, 76760554), (536, 38380277), (871, 23618632), (1742, 11809316), (3484, 5904658), (6968, 2952329)]