20172591255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{118603}}^1$

素因数の和:118680

約数の個数: 64

約数和(自身を含む): 36890588160

約数和(自身を除く): 16717996905

約数列:

[1, 3, 5, 15, 17, 23, 29, 51, 69, 85, 87, 115, 145, 255, 345, 391, 435, 493, 667, 1173, 1479, 1955, 2001, 2465, 3335, 5865, 7395, 10005, 11339, 34017, 56695, 118603, 170085, 355809, 593015, 1779045, 2016251, 2727869, 3439487, 6048753, 8183607, 10081255, 10318461, 13639345, 17197435, 30243765, 40918035, 46373773, 51592305, 58471279, 79108201, 139121319, 175413837, 231868865, 237324603, 292356395, 395541005, 695606595, 877069185, 1186623015, 1344839417, 4034518251, 6724197085, 20172591255]

約数ペア:

[(1, 20172591255), (3, 6724197085), (5, 4034518251), (15, 1344839417), (17, 1186623015), (23, 877069185), (29, 695606595), (51, 395541005), (69, 292356395), (85, 237324603), (87, 231868865), (115, 175413837), (145, 139121319), (255, 79108201), (345, 58471279), (391, 51592305), (435, 46373773), (493, 40918035), (667, 30243765), (1173, 17197435), (1479, 13639345), (1955, 10318461), (2001, 10081255), (2465, 8183607), (3335, 6048753), (5865, 3439487), (7395, 2727869), (10005, 2016251), (11339, 1779045), (34017, 593015), (56695, 355809), (118603, 170085)]