20686932

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{797}}^1$

素因数の和:917

約数の個数: 72

約数和(自身を含む): 60418176

約数和(自身を除く): 39731244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 103, 126, 206, 252, 309, 412, 618, 721, 797, 927, 1236, 1442, 1594, 1854, 2163, 2391, 2884, 3188, 3708, 4326, 4782, 5579, 6489, 7173, 8652, 9564, 11158, 12978, 14346, 16737, 22316, 25956, 28692, 33474, 50211, 66948, 82091, 100422, 164182, 200844, 246273, 328364, 492546, 574637, 738819, 985092, 1149274, 1477638, 1723911, 2298548, 2955276, 3447822, 5171733, 6895644, 10343466, 20686932]

約数ペア:

[(1, 20686932), (2, 10343466), (3, 6895644), (4, 5171733), (6, 3447822), (7, 2955276), (9, 2298548), (12, 1723911), (14, 1477638), (18, 1149274), (21, 985092), (28, 738819), (36, 574637), (42, 492546), (63, 328364), (84, 246273), (103, 200844), (126, 164182), (206, 100422), (252, 82091), (309, 66948), (412, 50211), (618, 33474), (721, 28692), (797, 25956), (927, 22316), (1236, 16737), (1442, 14346), (1594, 12978), (1854, 11158), (2163, 9564), (2391, 8652), (2884, 7173), (3188, 6489), (3708, 5579), (4326, 4782)]