20178070092

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{220931}}^1$

素因数の和:221043

約数の個数: 72

約数和(自身を含む): 53076703680

約数和(自身を除く): 32898633588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 59, 86, 118, 129, 172, 177, 236, 258, 354, 387, 516, 531, 708, 774, 1062, 1548, 2124, 2537, 5074, 7611, 10148, 15222, 22833, 30444, 45666, 91332, 220931, 441862, 662793, 883724, 1325586, 1988379, 2651172, 3976758, 7953516, 9500033, 13034929, 19000066, 26069858, 28500099, 38000132, 39104787, 52139716, 57000198, 78209574, 85500297, 114000396, 117314361, 156419148, 171000594, 234628722, 342001188, 469257444, 560501947, 1121003894, 1681505841, 2242007788, 3363011682, 5044517523, 6726023364, 10089035046, 20178070092]

約数ペア:

[(1, 20178070092), (2, 10089035046), (3, 6726023364), (4, 5044517523), (6, 3363011682), (9, 2242007788), (12, 1681505841), (18, 1121003894), (36, 560501947), (43, 469257444), (59, 342001188), (86, 234628722), (118, 171000594), (129, 156419148), (172, 117314361), (177, 114000396), (236, 85500297), (258, 78209574), (354, 57000198), (387, 52139716), (516, 39104787), (531, 38000132), (708, 28500099), (774, 26069858), (1062, 19000066), (1548, 13034929), (2124, 9500033), (2537, 7953516), (5074, 3976758), (7611, 2651172), (10148, 1988379), (15222, 1325586), (22833, 883724), (30444, 662793), (45666, 441862), (91332, 220931)]