20121696

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{1109}}^1$

素因数の和:1138

約数の個数: 120

約数和(自身を含む): 67692240

約数和(自身を除く): 47570544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 252, 288, 324, 336, 378, 432, 504, 567, 648, 672, 756, 864, 1008, 1109, 1134, 1296, 1512, 2016, 2218, 2268, 2592, 3024, 3327, 4436, 4536, 6048, 6654, 7763, 8872, 9072, 9981, 13308, 15526, 17744, 18144, 19962, 23289, 26616, 29943, 31052, 35488, 39924, 46578, 53232, 59886, 62104, 69867, 79848, 89829, 93156, 106464, 119772, 124208, 139734, 159696, 179658, 186312, 209601, 239544, 248416, 279468, 319392, 359316, 372624, 419202, 479088, 558936, 628803, 718632, 745248, 838404, 958176, 1117872, 1257606, 1437264, 1676808, 2235744, 2515212, 2874528, 3353616, 5030424, 6707232, 10060848, 20121696]

約数ペア:

[(1, 20121696), (2, 10060848), (3, 6707232), (4, 5030424), (6, 3353616), (7, 2874528), (8, 2515212), (9, 2235744), (12, 1676808), (14, 1437264), (16, 1257606), (18, 1117872), (21, 958176), (24, 838404), (27, 745248), (28, 718632), (32, 628803), (36, 558936), (42, 479088), (48, 419202), (54, 372624), (56, 359316), (63, 319392), (72, 279468), (81, 248416), (84, 239544), (96, 209601), (108, 186312), (112, 179658), (126, 159696), (144, 139734), (162, 124208), (168, 119772), (189, 106464), (216, 93156), (224, 89829), (252, 79848), (288, 69867), (324, 62104), (336, 59886), (378, 53232), (432, 46578), (504, 39924), (567, 35488), (648, 31052), (672, 29943), (756, 26616), (864, 23289), (1008, 19962), (1109, 18144), (1134, 17744), (1296, 15526), (1512, 13308), (2016, 9981), (2218, 9072), (2268, 8872), (2592, 7763), (3024, 6654), (3327, 6048), (4436, 4536)]