20511906

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7823}}^1$

素因数の和:7870

約数の個数: 32

約数和(自身を含む): 45066240

約数和(自身を除く): 24554334

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311, 2622, 7823, 15646, 23469, 46938, 148637, 179929, 297274, 359858, 445911, 539787, 891822, 1079574, 3418651, 6837302, 10255953, 20511906]

約数ペア:

[(1, 20511906), (2, 10255953), (3, 6837302), (6, 3418651), (19, 1079574), (23, 891822), (38, 539787), (46, 445911), (57, 359858), (69, 297274), (114, 179929), (138, 148637), (437, 46938), (874, 23469), (1311, 15646), (2622, 7823)]