2120980

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{613}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 4487112

約数和(自身を除く): 2366132

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 613, 692, 865, 1226, 1730, 2452, 3065, 3460, 6130, 12260, 106049, 212098, 424196, 530245, 1060490, 2120980]

約数ペア:

[(1, 2120980), (2, 1060490), (4, 530245), (5, 424196), (10, 212098), (20, 106049), (173, 12260), (346, 6130), (613, 3460), (692, 3065), (865, 2452), (1226, 1730)]