20600450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{773}}^1$

素因数の和:839

約数の個数: 48

約数和(自身を含む): 42325416

約数和(自身を除く): 21724966

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 130, 205, 325, 410, 533, 650, 773, 1025, 1066, 1546, 2050, 2665, 3865, 5330, 7730, 10049, 13325, 19325, 20098, 26650, 31693, 38650, 50245, 63386, 100490, 158465, 251225, 316930, 412009, 502450, 792325, 824018, 1584650, 2060045, 4120090, 10300225, 20600450]

約数ペア:

[(1, 20600450), (2, 10300225), (5, 4120090), (10, 2060045), (13, 1584650), (25, 824018), (26, 792325), (41, 502450), (50, 412009), (65, 316930), (82, 251225), (130, 158465), (205, 100490), (325, 63386), (410, 50245), (533, 38650), (650, 31693), (773, 26650), (1025, 20098), (1066, 19325), (1546, 13325), (2050, 10049), (2665, 7730), (3865, 5330)]