20141820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{751}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 61588800

約数和(自身を除く): 41446980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 751, 894, 1341, 1490, 1502, 1788, 2235, 2253, 2682, 2980, 3004, 3755, 4470, 4506, 5364, 6705, 6759, 7510, 8940, 9012, 11265, 13410, 13518, 15020, 22530, 26820, 27036, 33795, 45060, 67590, 111899, 135180, 223798, 335697, 447596, 559495, 671394, 1007091, 1118990, 1342788, 1678485, 2014182, 2237980, 3356970, 4028364, 5035455, 6713940, 10070910, 20141820]

約数ペア:

[(1, 20141820), (2, 10070910), (3, 6713940), (4, 5035455), (5, 4028364), (6, 3356970), (9, 2237980), (10, 2014182), (12, 1678485), (15, 1342788), (18, 1118990), (20, 1007091), (30, 671394), (36, 559495), (45, 447596), (60, 335697), (90, 223798), (149, 135180), (180, 111899), (298, 67590), (447, 45060), (596, 33795), (745, 27036), (751, 26820), (894, 22530), (1341, 15020), (1490, 13518), (1502, 13410), (1788, 11265), (2235, 9012), (2253, 8940), (2682, 7510), (2980, 6759), (3004, 6705), (3755, 5364), (4470, 4506)]