20423974

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{10141}}^1$

素因数の和:10215

約数の個数: 16

約数和(自身を含む): 32860080

約数和(自身を除く): 12436106

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 10141, 20282, 192679, 385358, 537473, 1074946, 10211987, 20423974]

約数ペア:

[(1, 20423974), (2, 10211987), (19, 1074946), (38, 537473), (53, 385358), (106, 192679), (1007, 20282), (2014, 10141)]