20121479025

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{52369}}^1$

素因数の和:52538

約数の個数: 48

約数和(自身を含む): 34287686400

約数和(自身を除く): 14166207375

約数列:

[1, 3, 5, 15, 25, 47, 75, 109, 141, 235, 327, 545, 705, 1175, 1635, 2725, 3525, 5123, 8175, 15369, 25615, 52369, 76845, 128075, 157107, 261845, 384225, 785535, 1309225, 2461343, 3927675, 5708221, 7384029, 12306715, 17124663, 28541105, 36920145, 61533575, 85623315, 142705525, 184600725, 268286387, 428116575, 804859161, 1341431935, 4024295805, 6707159675, 20121479025]

約数ペア:

[(1, 20121479025), (3, 6707159675), (5, 4024295805), (15, 1341431935), (25, 804859161), (47, 428116575), (75, 268286387), (109, 184600725), (141, 142705525), (235, 85623315), (327, 61533575), (545, 36920145), (705, 28541105), (1175, 17124663), (1635, 12306715), (2725, 7384029), (3525, 5708221), (5123, 3927675), (8175, 2461343), (15369, 1309225), (25615, 785535), (52369, 384225), (76845, 261845), (128075, 157107)]