20156448

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:578

約数の個数: 96

約数和(自身を含む): 58931712

約数和(自身を除く): 38775264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 78, 93, 96, 104, 124, 156, 186, 208, 248, 312, 372, 403, 416, 496, 521, 624, 744, 806, 992, 1042, 1209, 1248, 1488, 1563, 1612, 2084, 2418, 2976, 3126, 3224, 4168, 4836, 6252, 6448, 6773, 8336, 9672, 12504, 12896, 13546, 16151, 16672, 19344, 20319, 25008, 27092, 32302, 38688, 40638, 48453, 50016, 54184, 64604, 81276, 96906, 108368, 129208, 162552, 193812, 209963, 216736, 258416, 325104, 387624, 419926, 516832, 629889, 650208, 775248, 839852, 1259778, 1550496, 1679704, 2519556, 3359408, 5039112, 6718816, 10078224, 20156448]

約数ペア:

[(1, 20156448), (2, 10078224), (3, 6718816), (4, 5039112), (6, 3359408), (8, 2519556), (12, 1679704), (13, 1550496), (16, 1259778), (24, 839852), (26, 775248), (31, 650208), (32, 629889), (39, 516832), (48, 419926), (52, 387624), (62, 325104), (78, 258416), (93, 216736), (96, 209963), (104, 193812), (124, 162552), (156, 129208), (186, 108368), (208, 96906), (248, 81276), (312, 64604), (372, 54184), (403, 50016), (416, 48453), (496, 40638), (521, 38688), (624, 32302), (744, 27092), (806, 25008), (992, 20319), (1042, 19344), (1209, 16672), (1248, 16151), (1488, 13546), (1563, 12896), (1612, 12504), (2084, 9672), (2418, 8336), (2976, 6773), (3126, 6448), (3224, 6252), (4168, 4836)]