20123900402

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1\times {\mathrm{3919}}^1$

素因数の和:4418

約数の個数: 32

約数和(自身を含む): 31045835520

約数和(自身を除く): 10921935118

約数列:

[1, 2, 53, 106, 193, 251, 386, 502, 3919, 7838, 10229, 13303, 20458, 26606, 48443, 96886, 207707, 415414, 756367, 983669, 1512734, 1967338, 2567479, 5134958, 40087451, 52134457, 80174902, 104268914, 189848117, 379696234, 10061950201, 20123900402]

約数ペア:

[(1, 20123900402), (2, 10061950201), (53, 379696234), (106, 189848117), (193, 104268914), (251, 80174902), (386, 52134457), (502, 40087451), (3919, 5134958), (7838, 2567479), (10229, 1967338), (13303, 1512734), (20458, 983669), (26606, 756367), (48443, 415414), (96886, 207707)]