20145552670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:662

約数の個数: 128

約数和(自身を含む): 40617158400

約数和(自身を除く): 20471605730

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 97, 103, 145, 170, 194, 206, 290, 409, 485, 493, 515, 818, 970, 986, 1030, 1649, 1751, 2045, 2465, 2813, 2987, 3298, 3502, 4090, 4930, 5626, 5974, 6953, 8245, 8755, 9991, 11861, 13906, 14065, 14935, 16490, 17510, 19982, 23722, 28130, 29870, 34765, 39673, 42127, 47821, 49955, 50779, 59305, 69530, 79346, 84254, 95642, 99910, 101558, 118610, 169847, 198365, 201637, 210635, 239105, 253895, 289739, 339694, 396730, 403274, 421270, 478210, 507790, 579478, 674441, 716159, 849235, 1008185, 1150517, 1221683, 1348882, 1432318, 1448695, 1698470, 2016370, 2301034, 2443366, 2897390, 3372205, 3580795, 4086319, 4925563, 5752585, 6108415, 6744410, 7161590, 8172638, 9851126, 11505170, 12216830, 19558789, 20431595, 20768611, 24627815, 39117578, 40863190, 41537222, 49255630, 69467423, 97793945, 103843055, 118503251, 138934846, 195587890, 207686110, 237006502, 347337115, 592516255, 694674230, 1185032510, 2014555267, 4029110534, 10072776335, 20145552670]

約数ペア:

[(1, 20145552670), (2, 10072776335), (5, 4029110534), (10, 2014555267), (17, 1185032510), (29, 694674230), (34, 592516255), (58, 347337115), (85, 237006502), (97, 207686110), (103, 195587890), (145, 138934846), (170, 118503251), (194, 103843055), (206, 97793945), (290, 69467423), (409, 49255630), (485, 41537222), (493, 40863190), (515, 39117578), (818, 24627815), (970, 20768611), (986, 20431595), (1030, 19558789), (1649, 12216830), (1751, 11505170), (2045, 9851126), (2465, 8172638), (2813, 7161590), (2987, 6744410), (3298, 6108415), (3502, 5752585), (4090, 4925563), (4930, 4086319), (5626, 3580795), (5974, 3372205), (6953, 2897390), (8245, 2443366), (8755, 2301034), (9991, 2016370), (11861, 1698470), (13906, 1448695), (14065, 1432318), (14935, 1348882), (16490, 1221683), (17510, 1150517), (19982, 1008185), (23722, 849235), (28130, 716159), (29870, 674441), (34765, 579478), (39673, 507790), (42127, 478210), (47821, 421270), (49955, 403274), (50779, 396730), (59305, 339694), (69530, 289739), (79346, 253895), (84254, 239105), (95642, 210635), (99910, 201637), (101558, 198365), (118610, 169847)]