20018024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2711}}^1$

素因数の和:2801

約数の個数: 32

約数和(自身を含む): 41005440

約数和(自身を除く): 20987416

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 2711, 3692, 5422, 7384, 10844, 21688, 35243, 70486, 140972, 192481, 281944, 384962, 769924, 1539848, 2502253, 5004506, 10009012, 20018024]

約数ペア:

[(1, 20018024), (2, 10009012), (4, 5004506), (8, 2502253), (13, 1539848), (26, 769924), (52, 384962), (71, 281944), (104, 192481), (142, 140972), (284, 70486), (568, 35243), (923, 21688), (1846, 10844), (2711, 7384), (3692, 5422)]