20120012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 41489280

約数和(自身を除く): 21369268

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 82, 164, 209, 418, 451, 587, 779, 836, 902, 1174, 1558, 1804, 2348, 3116, 6457, 8569, 11153, 12914, 17138, 22306, 24067, 25828, 34276, 44612, 48134, 96268, 122683, 245366, 264737, 457273, 490732, 529474, 914546, 1058948, 1829092, 5030003, 10060006, 20120012]

約数ペア:

[(1, 20120012), (2, 10060006), (4, 5030003), (11, 1829092), (19, 1058948), (22, 914546), (38, 529474), (41, 490732), (44, 457273), (76, 264737), (82, 245366), (164, 122683), (209, 96268), (418, 48134), (451, 44612), (587, 34276), (779, 25828), (836, 24067), (902, 22306), (1174, 17138), (1558, 12914), (1804, 11153), (2348, 8569), (3116, 6457)]