20072572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 39739392

約数和(自身を除く): 19666820

約数列:

[1, 2, 4, 13, 26, 43, 47, 52, 86, 94, 172, 188, 191, 382, 559, 611, 764, 1118, 1222, 2021, 2236, 2444, 2483, 4042, 4966, 8084, 8213, 8977, 9932, 16426, 17954, 26273, 32852, 35908, 52546, 105092, 106769, 116701, 213538, 233402, 386011, 427076, 466804, 772022, 1544044, 5018143, 10036286, 20072572]

約数ペア:

[(1, 20072572), (2, 10036286), (4, 5018143), (13, 1544044), (26, 772022), (43, 466804), (47, 427076), (52, 386011), (86, 233402), (94, 213538), (172, 116701), (188, 106769), (191, 105092), (382, 52546), (559, 35908), (611, 32852), (764, 26273), (1118, 17954), (1222, 16426), (2021, 9932), (2236, 8977), (2444, 8213), (2483, 8084), (4042, 4966)]