20205075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 38390400

約数和(自身を除く): 18185325

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1289, 1425, 3135, 3867, 5225, 6445, 14179, 15675, 19335, 24491, 32225, 42537, 70895, 73473, 96675, 122455, 212685, 269401, 354475, 367365, 612275, 808203, 1063425, 1347005, 1836825, 4041015, 6735025, 20205075]

約数ペア:

[(1, 20205075), (3, 6735025), (5, 4041015), (11, 1836825), (15, 1347005), (19, 1063425), (25, 808203), (33, 612275), (55, 367365), (57, 354475), (75, 269401), (95, 212685), (165, 122455), (209, 96675), (275, 73473), (285, 70895), (475, 42537), (627, 32225), (825, 24491), (1045, 19335), (1289, 15675), (1425, 14179), (3135, 6445), (3867, 5225)]