20498601922

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{761}}^1\times {\mathrm{1559}}^1$

素因数の和:2538

約数の個数: 32

約数和(自身を含む): 31581912960

約数和(自身を除く): 11083311038

約数列:

[1, 2, 53, 106, 163, 326, 761, 1522, 1559, 3118, 8639, 17278, 40333, 80666, 82627, 124043, 165254, 248086, 254117, 508234, 1186399, 2372798, 6574279, 13148558, 13468201, 26936402, 62879147, 125758294, 193383037, 386766074, 10249300961, 20498601922]

約数ペア:

[(1, 20498601922), (2, 10249300961), (53, 386766074), (106, 193383037), (163, 125758294), (326, 62879147), (761, 26936402), (1522, 13468201), (1559, 13148558), (3118, 6574279), (8639, 2372798), (17278, 1186399), (40333, 508234), (80666, 254117), (82627, 248086), (124043, 165254)]