20731623980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1\times {\mathrm{57803}}^1$

素因数の和:58118

約数の個数: 48

約数和(自身を含む): 44282488320

約数和(自身を除く): 23550864340

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 227, 316, 395, 454, 790, 908, 1135, 1580, 2270, 4540, 17933, 35866, 57803, 71732, 89665, 115606, 179330, 231212, 289015, 358660, 578030, 1156060, 4566437, 9132874, 13121281, 18265748, 22832185, 26242562, 45664370, 52485124, 65606405, 91328740, 131212810, 262425620, 1036581199, 2073162398, 4146324796, 5182905995, 10365811990, 20731623980]

約数ペア:

[(1, 20731623980), (2, 10365811990), (4, 5182905995), (5, 4146324796), (10, 2073162398), (20, 1036581199), (79, 262425620), (158, 131212810), (227, 91328740), (316, 65606405), (395, 52485124), (454, 45664370), (790, 26242562), (908, 22832185), (1135, 18265748), (1580, 13121281), (2270, 9132874), (4540, 4566437), (17933, 1156060), (35866, 578030), (57803, 358660), (71732, 289015), (89665, 231212), (115606, 179330)]