20960370

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:361

約数の個数: 80

約数和(自身を含む): 57107160

約数和(自身を除く): 36146790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 113, 135, 162, 226, 229, 270, 339, 405, 458, 565, 678, 687, 810, 1017, 1130, 1145, 1374, 1695, 2034, 2061, 2290, 3051, 3390, 3435, 4122, 5085, 6102, 6183, 6870, 9153, 10170, 10305, 12366, 15255, 18306, 18549, 20610, 25877, 30510, 30915, 37098, 45765, 51754, 61830, 77631, 91530, 92745, 129385, 155262, 185490, 232893, 258770, 388155, 465786, 698679, 776310, 1164465, 1397358, 2096037, 2328930, 3493395, 4192074, 6986790, 10480185, 20960370]

約数ペア:

[(1, 20960370), (2, 10480185), (3, 6986790), (5, 4192074), (6, 3493395), (9, 2328930), (10, 2096037), (15, 1397358), (18, 1164465), (27, 776310), (30, 698679), (45, 465786), (54, 388155), (81, 258770), (90, 232893), (113, 185490), (135, 155262), (162, 129385), (226, 92745), (229, 91530), (270, 77631), (339, 61830), (405, 51754), (458, 45765), (565, 37098), (678, 30915), (687, 30510), (810, 25877), (1017, 20610), (1130, 18549), (1145, 18306), (1374, 15255), (1695, 12366), (2034, 10305), (2061, 10170), (2290, 9153), (3051, 6870), (3390, 6183), (3435, 6102), (4122, 5085)]