20608522270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{149}}^3$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 43160688000

約数和(自身を除く): 22552165730

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 149, 178, 298, 445, 623, 745, 890, 1043, 1246, 1490, 2086, 3115, 5215, 6230, 10430, 13261, 22201, 26522, 44402, 66305, 92827, 111005, 132610, 155407, 185654, 222010, 310814, 464135, 777035, 928270, 1554070, 1975889, 3307949, 3951778, 6615898, 9879445, 13831223, 16539745, 19758890, 23155643, 27662446, 33079490, 46311286, 69156115, 115778215, 138312230, 231556430, 294407461, 588814922, 1472037305, 2060852227, 2944074610, 4121704454, 10304261135, 20608522270]

約数ペア:

[(1, 20608522270), (2, 10304261135), (5, 4121704454), (7, 2944074610), (10, 2060852227), (14, 1472037305), (35, 588814922), (70, 294407461), (89, 231556430), (149, 138312230), (178, 115778215), (298, 69156115), (445, 46311286), (623, 33079490), (745, 27662446), (890, 23155643), (1043, 19758890), (1246, 16539745), (1490, 13831223), (2086, 9879445), (3115, 6615898), (5215, 3951778), (6230, 3307949), (10430, 1975889), (13261, 1554070), (22201, 928270), (26522, 777035), (44402, 464135), (66305, 310814), (92827, 222010), (111005, 185654), (132610, 155407)]