20175798050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{397}}^1\times {\mathrm{3517}}^1$

素因数の和:3960

約数の個数: 72

約数和(自身を含む): 39976082364

約数和(自身を除く): 19800284314

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 289, 397, 425, 578, 794, 850, 1445, 1985, 2890, 3517, 3970, 6749, 7034, 7225, 9925, 13498, 14450, 17585, 19850, 33745, 35170, 59789, 67490, 87925, 114733, 119578, 168725, 175850, 229466, 298945, 337450, 573665, 597890, 1016413, 1147330, 1396249, 1494725, 2032826, 2792498, 2868325, 2989450, 5082065, 5736650, 6981245, 10164130, 13962490, 23736233, 25410325, 34906225, 47472466, 50820650, 69812450, 118681165, 237362330, 403515961, 593405825, 807031922, 1186811650, 2017579805, 4035159610, 10087899025, 20175798050]

約数ペア:

[(1, 20175798050), (2, 10087899025), (5, 4035159610), (10, 2017579805), (17, 1186811650), (25, 807031922), (34, 593405825), (50, 403515961), (85, 237362330), (170, 118681165), (289, 69812450), (397, 50820650), (425, 47472466), (578, 34906225), (794, 25410325), (850, 23736233), (1445, 13962490), (1985, 10164130), (2890, 6981245), (3517, 5736650), (3970, 5082065), (6749, 2989450), (7034, 2868325), (7225, 2792498), (9925, 2032826), (13498, 1494725), (14450, 1396249), (17585, 1147330), (19850, 1016413), (33745, 597890), (35170, 573665), (59789, 337450), (67490, 298945), (87925, 229466), (114733, 175850), (119578, 168725)]