20557080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3359}}^1$

素因数の和:3393

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 50204520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 3359, 6120, 6718, 10077, 13436, 16795, 20154, 26872, 30231, 33590, 40308, 50385, 57103, 60462, 67180, 80616, 100770, 114206, 120924, 134360, 151155, 171309, 201540, 228412, 241848, 285515, 302310, 342618, 403080, 456824, 513927, 571030, 604620, 685236, 856545, 1027854, 1142060, 1209240, 1370472, 1713090, 2055708, 2284120, 2569635, 3426180, 4111416, 5139270, 6852360, 10278540, 20557080]

約数ペア:

[(1, 20557080), (2, 10278540), (3, 6852360), (4, 5139270), (5, 4111416), (6, 3426180), (8, 2569635), (9, 2284120), (10, 2055708), (12, 1713090), (15, 1370472), (17, 1209240), (18, 1142060), (20, 1027854), (24, 856545), (30, 685236), (34, 604620), (36, 571030), (40, 513927), (45, 456824), (51, 403080), (60, 342618), (68, 302310), (72, 285515), (85, 241848), (90, 228412), (102, 201540), (120, 171309), (136, 151155), (153, 134360), (170, 120924), (180, 114206), (204, 100770), (255, 80616), (306, 67180), (340, 60462), (360, 57103), (408, 50385), (510, 40308), (612, 33590), (680, 30231), (765, 26872), (1020, 20154), (1224, 16795), (1530, 13436), (2040, 10077), (3060, 6718), (3359, 6120)]