20123657931

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{18749}}^1$

素因数の和:18880

約数の個数: 48

約数和(自身を含む): 30469500000

約数和(自身を除く): 10345842069

約数列:

[1, 3, 13, 29, 39, 73, 87, 169, 219, 377, 507, 949, 1131, 2117, 2847, 4901, 6351, 12337, 14703, 18749, 27521, 37011, 56247, 82563, 243737, 357773, 543721, 731211, 1073319, 1368677, 1631163, 3168581, 4106031, 7068373, 9505743, 17792801, 21205119, 39691633, 53378403, 91888849, 119074899, 231306413, 275666547, 515991229, 693919239, 1547973687, 6707885977, 20123657931]

約数ペア:

[(1, 20123657931), (3, 6707885977), (13, 1547973687), (29, 693919239), (39, 515991229), (73, 275666547), (87, 231306413), (169, 119074899), (219, 91888849), (377, 53378403), (507, 39691633), (949, 21205119), (1131, 17792801), (2117, 9505743), (2847, 7068373), (4901, 4106031), (6351, 3168581), (12337, 1631163), (14703, 1368677), (18749, 1073319), (27521, 731211), (37011, 543721), (56247, 357773), (82563, 243737)]