20955138

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3911}}^1$

素因数の和:3982

約数の個数: 32

約数和(自身を含む): 45066240

約数和(自身を除く): 24111102

約数列:

[1, 2, 3, 6, 19, 38, 47, 57, 94, 114, 141, 282, 893, 1786, 2679, 3911, 5358, 7822, 11733, 23466, 74309, 148618, 183817, 222927, 367634, 445854, 551451, 1102902, 3492523, 6985046, 10477569, 20955138]

約数ペア:

[(1, 20955138), (2, 10477569), (3, 6985046), (6, 3492523), (19, 1102902), (38, 551451), (47, 445854), (57, 367634), (94, 222927), (114, 183817), (141, 148618), (282, 74309), (893, 23466), (1786, 11733), (2679, 7822), (3911, 5358)]