20159703

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3803}}^1$

素因数の和:3859

約数の個数: 24

約数和(自身を含む): 31649280

約数和(自身を除く): 11489577

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 3803, 5301, 11409, 34227, 72257, 117893, 216771, 353679, 650313, 1061037, 2239967, 6719901, 20159703]

約数ペア:

[(1, 20159703), (3, 6719901), (9, 2239967), (19, 1061037), (31, 650313), (57, 353679), (93, 216771), (171, 117893), (279, 72257), (589, 34227), (1767, 11409), (3803, 5301)]