2008020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{683}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 6549984

約数和(自身を除く): 4541964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 683, 735, 980, 1366, 1470, 2049, 2732, 2940, 3415, 4098, 4781, 6830, 8196, 9562, 10245, 13660, 14343, 19124, 20490, 23905, 28686, 33467, 40980, 47810, 57372, 66934, 71715, 95620, 100401, 133868, 143430, 167335, 200802, 286860, 334670, 401604, 502005, 669340, 1004010, 2008020]

約数ペア:

[(1, 2008020), (2, 1004010), (3, 669340), (4, 502005), (5, 401604), (6, 334670), (7, 286860), (10, 200802), (12, 167335), (14, 143430), (15, 133868), (20, 100401), (21, 95620), (28, 71715), (30, 66934), (35, 57372), (42, 47810), (49, 40980), (60, 33467), (70, 28686), (84, 23905), (98, 20490), (105, 19124), (140, 14343), (147, 13660), (196, 10245), (210, 9562), (245, 8196), (294, 6830), (420, 4781), (490, 4098), (588, 3415), (683, 2940), (735, 2732), (980, 2049), (1366, 1470)]