20993070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14281}}^1$

素因数の和:14305

約数の個数: 48

約数和(自身を含む): 58613328

約数和(自身を除く): 37620258

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14281, 28562, 42843, 71405, 85686, 99967, 142810, 199934, 214215, 299901, 428430, 499835, 599802, 699769, 999670, 1399538, 1499505, 2099307, 2999010, 3498845, 4198614, 6997690, 10496535, 20993070]

約数ペア:

[(1, 20993070), (2, 10496535), (3, 6997690), (5, 4198614), (6, 3498845), (7, 2999010), (10, 2099307), (14, 1499505), (15, 1399538), (21, 999670), (30, 699769), (35, 599802), (42, 499835), (49, 428430), (70, 299901), (98, 214215), (105, 199934), (147, 142810), (210, 99967), (245, 85686), (294, 71405), (490, 42843), (735, 28562), (1470, 14281)]