20431291284

素因数分解:

$2^2\times 3^5\times {\mathrm{2297}}^1\times {\mathrm{9151}}^1$

素因数の和:11467

約数の個数: 72

約数和(自身を含む): 53587742208

約数和(自身を除く): 33156450924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 2297, 4594, 6891, 9151, 9188, 13782, 18302, 20673, 27453, 27564, 36604, 41346, 54906, 62019, 82359, 82692, 109812, 124038, 164718, 186057, 247077, 248076, 329436, 372114, 494154, 558171, 741231, 744228, 988308, 1116342, 1482462, 2223693, 2232684, 2964924, 4447386, 8894772, 21019847, 42039694, 63059541, 84079388, 126119082, 189178623, 252238164, 378357246, 567535869, 756714492, 1135071738, 1702607607, 2270143476, 3405215214, 5107822821, 6810430428, 10215645642, 20431291284]

約数ペア:

[(1, 20431291284), (2, 10215645642), (3, 6810430428), (4, 5107822821), (6, 3405215214), (9, 2270143476), (12, 1702607607), (18, 1135071738), (27, 756714492), (36, 567535869), (54, 378357246), (81, 252238164), (108, 189178623), (162, 126119082), (243, 84079388), (324, 63059541), (486, 42039694), (972, 21019847), (2297, 8894772), (4594, 4447386), (6891, 2964924), (9151, 2232684), (9188, 2223693), (13782, 1482462), (18302, 1116342), (20673, 988308), (27453, 744228), (27564, 741231), (36604, 558171), (41346, 494154), (54906, 372114), (62019, 329436), (82359, 248076), (82692, 247077), (109812, 186057), (124038, 164718)]