20163473025

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{967}}^1\times {\mathrm{6781}}^1$

素因数の和:7802

約数の個数: 48

約数和(自身を含む): 34190395008

約数和(自身を除く): 14026921983

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 967, 1025, 2901, 3075, 4835, 6781, 14505, 20343, 24175, 33905, 39647, 72525, 101715, 118941, 169525, 198235, 278021, 508575, 594705, 834063, 991175, 1390105, 2973525, 4170315, 6557227, 6950525, 19671681, 20851575, 32786135, 98358405, 163930675, 268846307, 491792025, 806538921, 1344231535, 4032694605, 6721157675, 20163473025]

約数ペア:

[(1, 20163473025), (3, 6721157675), (5, 4032694605), (15, 1344231535), (25, 806538921), (41, 491792025), (75, 268846307), (123, 163930675), (205, 98358405), (615, 32786135), (967, 20851575), (1025, 19671681), (2901, 6950525), (3075, 6557227), (4835, 4170315), (6781, 2973525), (14505, 1390105), (20343, 991175), (24175, 834063), (33905, 594705), (39647, 508575), (72525, 278021), (101715, 198235), (118941, 169525)]