20186350

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 39528720

約数和(自身を除く): 19342370

約数列:

[1, 2, 5, 10, 25, 41, 43, 50, 82, 86, 205, 215, 229, 410, 430, 458, 1025, 1075, 1145, 1763, 2050, 2150, 2290, 3526, 5725, 8815, 9389, 9847, 11450, 17630, 18778, 19694, 44075, 46945, 49235, 88150, 93890, 98470, 234725, 246175, 403727, 469450, 492350, 807454, 2018635, 4037270, 10093175, 20186350]

約数ペア:

[(1, 20186350), (2, 10093175), (5, 4037270), (10, 2018635), (25, 807454), (41, 492350), (43, 469450), (50, 403727), (82, 246175), (86, 234725), (205, 98470), (215, 93890), (229, 88150), (410, 49235), (430, 46945), (458, 44075), (1025, 19694), (1075, 18778), (1145, 17630), (1763, 11450), (2050, 9847), (2150, 9389), (2290, 8815), (3526, 5725)]