20593496

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 48764160

約数和(自身を除く): 28170664

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 101, 154, 202, 308, 331, 404, 616, 662, 707, 808, 1111, 1324, 1414, 2222, 2317, 2648, 2828, 3641, 4444, 4634, 5656, 7282, 7777, 8888, 9268, 14564, 15554, 18536, 25487, 29128, 31108, 33431, 50974, 62216, 66862, 101948, 133724, 203896, 234017, 267448, 367741, 468034, 735482, 936068, 1470964, 1872136, 2574187, 2941928, 5148374, 10296748, 20593496]

約数ペア:

[(1, 20593496), (2, 10296748), (4, 5148374), (7, 2941928), (8, 2574187), (11, 1872136), (14, 1470964), (22, 936068), (28, 735482), (44, 468034), (56, 367741), (77, 267448), (88, 234017), (101, 203896), (154, 133724), (202, 101948), (308, 66862), (331, 62216), (404, 50974), (616, 33431), (662, 31108), (707, 29128), (808, 25487), (1111, 18536), (1324, 15554), (1414, 14564), (2222, 9268), (2317, 8888), (2648, 7777), (2828, 7282), (3641, 5656), (4444, 4634)]