20591136

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 63685440

約数和(自身を除く): 43094304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 53, 57, 71, 72, 76, 96, 106, 114, 142, 144, 152, 159, 171, 212, 213, 228, 284, 288, 304, 318, 342, 424, 426, 456, 477, 568, 608, 636, 639, 684, 848, 852, 912, 954, 1007, 1136, 1272, 1278, 1349, 1368, 1696, 1704, 1824, 1908, 2014, 2272, 2544, 2556, 2698, 2736, 3021, 3408, 3763, 3816, 4028, 4047, 5088, 5112, 5396, 5472, 6042, 6816, 7526, 7632, 8056, 8094, 9063, 10224, 10792, 11289, 12084, 12141, 15052, 15264, 16112, 16188, 18126, 20448, 21584, 22578, 24168, 24282, 30104, 32224, 32376, 33867, 36252, 43168, 45156, 48336, 48564, 60208, 64752, 67734, 71497, 72504, 90312, 96672, 97128, 120416, 129504, 135468, 142994, 145008, 180624, 194256, 214491, 270936, 285988, 290016, 361248, 388512, 428982, 541872, 571976, 643473, 857964, 1083744, 1143952, 1286946, 1715928, 2287904, 2573892, 3431856, 5147784, 6863712, 10295568, 20591136]

約数ペア:

[(1, 20591136), (2, 10295568), (3, 6863712), (4, 5147784), (6, 3431856), (8, 2573892), (9, 2287904), (12, 1715928), (16, 1286946), (18, 1143952), (19, 1083744), (24, 857964), (32, 643473), (36, 571976), (38, 541872), (48, 428982), (53, 388512), (57, 361248), (71, 290016), (72, 285988), (76, 270936), (96, 214491), (106, 194256), (114, 180624), (142, 145008), (144, 142994), (152, 135468), (159, 129504), (171, 120416), (212, 97128), (213, 96672), (228, 90312), (284, 72504), (288, 71497), (304, 67734), (318, 64752), (342, 60208), (424, 48564), (426, 48336), (456, 45156), (477, 43168), (568, 36252), (608, 33867), (636, 32376), (639, 32224), (684, 30104), (848, 24282), (852, 24168), (912, 22578), (954, 21584), (1007, 20448), (1136, 18126), (1272, 16188), (1278, 16112), (1349, 15264), (1368, 15052), (1696, 12141), (1704, 12084), (1824, 11289), (1908, 10792), (2014, 10224), (2272, 9063), (2544, 8094), (2556, 8056), (2698, 7632), (2736, 7526), (3021, 6816), (3408, 6042), (3763, 5472), (3816, 5396), (4028, 5112), (4047, 5088)]