20176774360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1023163}}^1$

素因数の和:1023220

約数の個数: 64

約数和(自身を含む): 49725770400

約数和(自身を除く): 29548996040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1972, 2465, 3944, 4930, 9860, 19720, 1023163, 2046326, 4092652, 5115815, 8185304, 10231630, 17393771, 20463260, 29671727, 34787542, 40926520, 59343454, 69575084, 86968855, 118686908, 139150168, 148358635, 173937710, 237373816, 296717270, 347875420, 504419359, 593434540, 695750840, 1008838718, 1186869080, 2017677436, 2522096795, 4035354872, 5044193590, 10088387180, 20176774360]

約数ペア:

[(1, 20176774360), (2, 10088387180), (4, 5044193590), (5, 4035354872), (8, 2522096795), (10, 2017677436), (17, 1186869080), (20, 1008838718), (29, 695750840), (34, 593434540), (40, 504419359), (58, 347875420), (68, 296717270), (85, 237373816), (116, 173937710), (136, 148358635), (145, 139150168), (170, 118686908), (232, 86968855), (290, 69575084), (340, 59343454), (493, 40926520), (580, 34787542), (680, 29671727), (986, 20463260), (1160, 17393771), (1972, 10231630), (2465, 8185304), (3944, 5115815), (4930, 4092652), (9860, 2046326), (19720, 1023163)]