20571972

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3253}}^1$

素因数の和:3308

約数の個数: 48

約数和(自身を含む): 52480512

約数和(自身を除く): 31908540

約数列:

[1, 2, 3, 4, 6, 12, 17, 31, 34, 51, 62, 68, 93, 102, 124, 186, 204, 372, 527, 1054, 1581, 2108, 3162, 3253, 6324, 6506, 9759, 13012, 19518, 39036, 55301, 100843, 110602, 165903, 201686, 221204, 302529, 331806, 403372, 605058, 663612, 1210116, 1714331, 3428662, 5142993, 6857324, 10285986, 20571972]

約数ペア:

[(1, 20571972), (2, 10285986), (3, 6857324), (4, 5142993), (6, 3428662), (12, 1714331), (17, 1210116), (31, 663612), (34, 605058), (51, 403372), (62, 331806), (68, 302529), (93, 221204), (102, 201686), (124, 165903), (186, 110602), (204, 100843), (372, 55301), (527, 39036), (1054, 19518), (1581, 13012), (2108, 9759), (3162, 6506), (3253, 6324)]