20174399060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{71333}}^1$

素因数の和:71600

約数の個数: 48

約数和(自身を含む): 43142803200

約数和(自身を除く): 22968404140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 179, 316, 358, 395, 716, 790, 895, 1580, 1790, 3580, 14141, 28282, 56564, 70705, 71333, 141410, 142666, 282820, 285332, 356665, 713330, 1426660, 5635307, 11270614, 12768607, 22541228, 25537214, 28176535, 51074428, 56353070, 63843035, 112706140, 127686070, 255372140, 1008719953, 2017439906, 4034879812, 5043599765, 10087199530, 20174399060]

約数ペア:

[(1, 20174399060), (2, 10087199530), (4, 5043599765), (5, 4034879812), (10, 2017439906), (20, 1008719953), (79, 255372140), (158, 127686070), (179, 112706140), (316, 63843035), (358, 56353070), (395, 51074428), (716, 28176535), (790, 25537214), (895, 22541228), (1580, 12768607), (1790, 11270614), (3580, 5635307), (14141, 1426660), (28282, 713330), (56564, 356665), (70705, 285332), (71333, 282820), (141410, 142666)]