20587012

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 36942080

約数和(自身を除く): 16355068

約数列:

[1, 2, 4, 61, 122, 139, 244, 278, 556, 607, 1214, 2428, 8479, 16958, 33916, 37027, 74054, 84373, 148108, 168746, 337492, 5146753, 10293506, 20587012]

約数ペア:

[(1, 20587012), (2, 10293506), (4, 5146753), (61, 337492), (122, 168746), (139, 148108), (244, 84373), (278, 74054), (556, 37027), (607, 33916), (1214, 16958), (2428, 8479)]