20342810900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{56681}}^1$

素因数の和:56829

約数の個数: 72

約数和(自身を含む): 45805177656

約数和(自身を除く): 25462366756

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 97, 100, 148, 185, 194, 370, 388, 485, 740, 925, 970, 1850, 1940, 2425, 3589, 3700, 4850, 7178, 9700, 14356, 17945, 35890, 56681, 71780, 89725, 113362, 179450, 226724, 283405, 358900, 566810, 1133620, 1417025, 2097197, 2834050, 4194394, 5498057, 5668100, 8388788, 10485985, 10996114, 20971970, 21992228, 27490285, 41943940, 52429925, 54980570, 104859850, 109961140, 137451425, 203428109, 209719700, 274902850, 406856218, 549805700, 813712436, 1017140545, 2034281090, 4068562180, 5085702725, 10171405450, 20342810900]

約数ペア:

[(1, 20342810900), (2, 10171405450), (4, 5085702725), (5, 4068562180), (10, 2034281090), (20, 1017140545), (25, 813712436), (37, 549805700), (50, 406856218), (74, 274902850), (97, 209719700), (100, 203428109), (148, 137451425), (185, 109961140), (194, 104859850), (370, 54980570), (388, 52429925), (485, 41943940), (740, 27490285), (925, 21992228), (970, 20971970), (1850, 10996114), (1940, 10485985), (2425, 8388788), (3589, 5668100), (3700, 5498057), (4850, 4194394), (7178, 2834050), (9700, 2097197), (14356, 1417025), (17945, 1133620), (35890, 566810), (56681, 358900), (71780, 283405), (89725, 226724), (113362, 179450)]