20502501

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 30535680

約数和(自身を除く): 10033179

約数列:

[1, 3, 19, 31, 41, 57, 93, 123, 283, 589, 779, 849, 1271, 1767, 2337, 3813, 5377, 8773, 11603, 16131, 24149, 26319, 34809, 72447, 166687, 220457, 359693, 500061, 661371, 1079079, 6834167, 20502501]

約数ペア:

[(1, 20502501), (3, 6834167), (19, 1079079), (31, 661371), (41, 500061), (57, 359693), (93, 220457), (123, 166687), (283, 72447), (589, 34809), (779, 26319), (849, 24149), (1271, 16131), (1767, 11603), (2337, 8773), (3813, 5377)]