20119470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:809

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 35522130

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 149, 210, 298, 447, 643, 745, 894, 1043, 1286, 1490, 1929, 2086, 2235, 3129, 3215, 3858, 4470, 4501, 5215, 6258, 6430, 9002, 9645, 10430, 13503, 15645, 19290, 22505, 27006, 31290, 45010, 67515, 95807, 135030, 191614, 287421, 479035, 574842, 670649, 958070, 1341298, 1437105, 2011947, 2874210, 3353245, 4023894, 6706490, 10059735, 20119470]

約数ペア:

[(1, 20119470), (2, 10059735), (3, 6706490), (5, 4023894), (6, 3353245), (7, 2874210), (10, 2011947), (14, 1437105), (15, 1341298), (21, 958070), (30, 670649), (35, 574842), (42, 479035), (70, 287421), (105, 191614), (149, 135030), (210, 95807), (298, 67515), (447, 45010), (643, 31290), (745, 27006), (894, 22505), (1043, 19290), (1286, 15645), (1490, 13503), (1929, 10430), (2086, 9645), (2235, 9002), (3129, 6430), (3215, 6258), (3858, 5215), (4470, 4501)]