20196799240

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1723}}^1\times {\mathrm{2237}}^1$

素因数の和:4102

約数の個数: 64

約数和(自身を含む): 45836746560

約数和(自身を除く): 25639947320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 1723, 2237, 2620, 3446, 4474, 5240, 6892, 8615, 8948, 11185, 13784, 17230, 17896, 22370, 34460, 44740, 68920, 89480, 225713, 293047, 451426, 586094, 902852, 1128565, 1172188, 1465235, 1805704, 2257130, 2344376, 2930470, 3854351, 4514260, 5860940, 7708702, 9028520, 11721880, 15417404, 19271755, 30834808, 38543510, 77087020, 154174040, 504919981, 1009839962, 2019679924, 2524599905, 4039359848, 5049199810, 10098399620, 20196799240]

約数ペア:

[(1, 20196799240), (2, 10098399620), (4, 5049199810), (5, 4039359848), (8, 2524599905), (10, 2019679924), (20, 1009839962), (40, 504919981), (131, 154174040), (262, 77087020), (524, 38543510), (655, 30834808), (1048, 19271755), (1310, 15417404), (1723, 11721880), (2237, 9028520), (2620, 7708702), (3446, 5860940), (4474, 4514260), (5240, 3854351), (6892, 2930470), (8615, 2344376), (8948, 2257130), (11185, 1805704), (13784, 1465235), (17230, 1172188), (17896, 1128565), (22370, 902852), (34460, 586094), (44740, 451426), (68920, 293047), (89480, 225713)]