20912296

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 40622400

約数和(自身を除く): 19710104

約数列:

[1, 2, 4, 8, 41, 82, 103, 164, 206, 328, 412, 619, 824, 1238, 2476, 4223, 4952, 8446, 16892, 25379, 33784, 50758, 63757, 101516, 127514, 203032, 255028, 510056, 2614037, 5228074, 10456148, 20912296]

約数ペア:

[(1, 20912296), (2, 10456148), (4, 5228074), (8, 2614037), (41, 510056), (82, 255028), (103, 203032), (164, 127514), (206, 101516), (328, 63757), (412, 50758), (619, 33784), (824, 25379), (1238, 16892), (2476, 8446), (4223, 4952)]