20491344

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^2\times {\mathrm{269}}^1$

素因数の和:329

約数の個数: 90

約数和(自身を含む): 60171930

約数和(自身を除く): 39680586

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 269, 276, 368, 414, 529, 538, 552, 807, 828, 1058, 1076, 1104, 1587, 1614, 1656, 2116, 2152, 2421, 3174, 3228, 3312, 4232, 4304, 4761, 4842, 6187, 6348, 6456, 8464, 9522, 9684, 12374, 12696, 12912, 18561, 19044, 19368, 24748, 25392, 37122, 38088, 38736, 49496, 55683, 74244, 76176, 98992, 111366, 142301, 148488, 222732, 284602, 296976, 426903, 445464, 569204, 853806, 890928, 1138408, 1280709, 1707612, 2276816, 2561418, 3415224, 5122836, 6830448, 10245672, 20491344]

約数ペア:

[(1, 20491344), (2, 10245672), (3, 6830448), (4, 5122836), (6, 3415224), (8, 2561418), (9, 2276816), (12, 1707612), (16, 1280709), (18, 1138408), (23, 890928), (24, 853806), (36, 569204), (46, 445464), (48, 426903), (69, 296976), (72, 284602), (92, 222732), (138, 148488), (144, 142301), (184, 111366), (207, 98992), (269, 76176), (276, 74244), (368, 55683), (414, 49496), (529, 38736), (538, 38088), (552, 37122), (807, 25392), (828, 24748), (1058, 19368), (1076, 19044), (1104, 18561), (1587, 12912), (1614, 12696), (1656, 12374), (2116, 9684), (2152, 9522), (2421, 8464), (3174, 6456), (3228, 6348), (3312, 6187), (4232, 4842), (4304, 4761)]