20307884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1399}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 37632000

約数和(自身を除く): 17324116

約数列:

[1, 2, 4, 19, 38, 76, 191, 382, 764, 1399, 2798, 3629, 5596, 7258, 14516, 26581, 53162, 106324, 267209, 534418, 1068836, 5076971, 10153942, 20307884]

約数ペア:

[(1, 20307884), (2, 10153942), (4, 5076971), (19, 1068836), (38, 534418), (76, 267209), (191, 106324), (382, 53162), (764, 26581), (1399, 14516), (2798, 7258), (3629, 5596)]