20503472

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1201}}^1$

素因数の和:1317

約数の個数: 40

約数和(自身を含む): 43820112

約数和(自身を除く): 23316640

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 97, 176, 194, 388, 776, 1067, 1201, 1552, 2134, 2402, 4268, 4804, 8536, 9608, 13211, 17072, 19216, 26422, 52844, 105688, 116497, 211376, 232994, 465988, 931976, 1281467, 1863952, 2562934, 5125868, 10251736, 20503472]

約数ペア:

[(1, 20503472), (2, 10251736), (4, 5125868), (8, 2562934), (11, 1863952), (16, 1281467), (22, 931976), (44, 465988), (88, 232994), (97, 211376), (176, 116497), (194, 105688), (388, 52844), (776, 26422), (1067, 19216), (1201, 17072), (1552, 13211), (2134, 9608), (2402, 8536), (4268, 4804)]