20320992

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1907}}^1$

素因数の和:1960

約数の個数: 72

約数和(自身を含む): 59380776

約数和(自身を除く): 39059784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 1907, 2664, 3552, 3814, 5328, 5721, 7628, 10656, 11442, 15256, 17163, 22884, 30512, 34326, 45768, 61024, 68652, 70559, 91536, 137304, 141118, 183072, 211677, 274608, 282236, 423354, 549216, 564472, 635031, 846708, 1128944, 1270062, 1693416, 2257888, 2540124, 3386832, 5080248, 6773664, 10160496, 20320992]

約数ペア:

[(1, 20320992), (2, 10160496), (3, 6773664), (4, 5080248), (6, 3386832), (8, 2540124), (9, 2257888), (12, 1693416), (16, 1270062), (18, 1128944), (24, 846708), (32, 635031), (36, 564472), (37, 549216), (48, 423354), (72, 282236), (74, 274608), (96, 211677), (111, 183072), (144, 141118), (148, 137304), (222, 91536), (288, 70559), (296, 68652), (333, 61024), (444, 45768), (592, 34326), (666, 30512), (888, 22884), (1184, 17163), (1332, 15256), (1776, 11442), (1907, 10656), (2664, 7628), (3552, 5721), (3814, 5328)]