20341518904

素因数分解:

$2^3\times 7^1\times {\mathrm{739}}^1\times {\mathrm{491531}}^1$

素因数の和:492283

約数の個数: 32

約数和(自身を含む): 43648041600

約数和(自身を除く): 23306522696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 739, 1478, 2956, 5173, 5912, 10346, 20692, 41384, 491531, 983062, 1966124, 3440717, 3932248, 6881434, 13762868, 27525736, 363241409, 726482818, 1452965636, 2542689863, 2905931272, 5085379726, 10170759452, 20341518904]

約数ペア:

[(1, 20341518904), (2, 10170759452), (4, 5085379726), (7, 2905931272), (8, 2542689863), (14, 1452965636), (28, 726482818), (56, 363241409), (739, 27525736), (1478, 13762868), (2956, 6881434), (5173, 3932248), (5912, 3440717), (10346, 1966124), (20692, 983062), (41384, 491531)]