20736272

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:567

約数の個数: 40

約数和(自身を含む): 41997312

約数和(自身を除く): 21261040

約数列:

[1, 2, 4, 8, 16, 31, 62, 97, 124, 194, 248, 388, 431, 496, 776, 862, 1552, 1724, 3007, 3448, 6014, 6896, 12028, 13361, 24056, 26722, 41807, 48112, 53444, 83614, 106888, 167228, 213776, 334456, 668912, 1296017, 2592034, 5184068, 10368136, 20736272]

約数ペア:

[(1, 20736272), (2, 10368136), (4, 5184068), (8, 2592034), (16, 1296017), (31, 668912), (62, 334456), (97, 213776), (124, 167228), (194, 106888), (248, 83614), (388, 53444), (431, 48112), (496, 41807), (776, 26722), (862, 24056), (1552, 13361), (1724, 12028), (3007, 6896), (3448, 6014)]