20951136

素因数分解:

$2^5\times 3^4\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:218

約数の個数: 120

約数和(自身を含む): 63118440

約数和(自身を除く): 42167304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 59, 72, 81, 96, 108, 118, 137, 144, 162, 177, 216, 236, 274, 288, 324, 354, 411, 432, 472, 531, 548, 648, 708, 822, 864, 944, 1062, 1096, 1233, 1296, 1416, 1593, 1644, 1888, 2124, 2192, 2466, 2592, 2832, 3186, 3288, 3699, 4248, 4384, 4779, 4932, 5664, 6372, 6576, 7398, 8083, 8496, 9558, 9864, 11097, 12744, 13152, 14796, 16166, 16992, 19116, 19728, 22194, 24249, 25488, 29592, 32332, 38232, 39456, 44388, 48498, 50976, 59184, 64664, 72747, 76464, 88776, 96996, 118368, 129328, 145494, 152928, 177552, 193992, 218241, 258656, 290988, 355104, 387984, 436482, 581976, 654723, 775968, 872964, 1163952, 1309446, 1745928, 2327904, 2618892, 3491856, 5237784, 6983712, 10475568, 20951136]

約数ペア:

[(1, 20951136), (2, 10475568), (3, 6983712), (4, 5237784), (6, 3491856), (8, 2618892), (9, 2327904), (12, 1745928), (16, 1309446), (18, 1163952), (24, 872964), (27, 775968), (32, 654723), (36, 581976), (48, 436482), (54, 387984), (59, 355104), (72, 290988), (81, 258656), (96, 218241), (108, 193992), (118, 177552), (137, 152928), (144, 145494), (162, 129328), (177, 118368), (216, 96996), (236, 88776), (274, 76464), (288, 72747), (324, 64664), (354, 59184), (411, 50976), (432, 48498), (472, 44388), (531, 39456), (548, 38232), (648, 32332), (708, 29592), (822, 25488), (864, 24249), (944, 22194), (1062, 19728), (1096, 19116), (1233, 16992), (1296, 16166), (1416, 14796), (1593, 13152), (1644, 12744), (1888, 11097), (2124, 9864), (2192, 9558), (2466, 8496), (2592, 8083), (2832, 7398), (3186, 6576), (3288, 6372), (3699, 5664), (4248, 4932), (4384, 4779)]