20168517885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1\times {\mathrm{4201}}^1$

素因数の和:4574

約数の個数: 64

約数和(自身を含む): 34809502464

約数和(自身を除く): 14640984579

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 281, 335, 843, 1005, 1139, 1405, 3417, 4201, 4215, 4777, 5695, 12603, 14331, 17085, 18827, 21005, 23885, 56481, 63015, 71417, 71655, 94135, 214251, 281467, 282405, 320059, 357085, 844401, 960177, 1071255, 1180481, 1407335, 1600295, 3541443, 4222005, 4784939, 4800885, 5902405, 14354817, 17707215, 20068177, 23924695, 60204531, 71774085, 79092227, 100340885, 237276681, 301022655, 395461135, 1186383405, 1344567859, 4033703577, 6722839295, 20168517885]

約数ペア:

[(1, 20168517885), (3, 6722839295), (5, 4033703577), (15, 1344567859), (17, 1186383405), (51, 395461135), (67, 301022655), (85, 237276681), (201, 100340885), (255, 79092227), (281, 71774085), (335, 60204531), (843, 23924695), (1005, 20068177), (1139, 17707215), (1405, 14354817), (3417, 5902405), (4201, 4800885), (4215, 4784939), (4777, 4222005), (5695, 3541443), (12603, 1600295), (14331, 1407335), (17085, 1180481), (18827, 1071255), (21005, 960177), (23885, 844401), (56481, 357085), (63015, 320059), (71417, 282405), (71655, 281467), (94135, 214251)]