20902308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:417

約数の個数: 96

約数和(自身を含む): 60211200

約数和(自身を除く): 39308892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 31, 42, 46, 62, 69, 84, 92, 93, 124, 138, 161, 186, 217, 276, 322, 349, 372, 434, 483, 644, 651, 698, 713, 868, 966, 1047, 1302, 1396, 1426, 1932, 2094, 2139, 2443, 2604, 2852, 4188, 4278, 4886, 4991, 7329, 8027, 8556, 9772, 9982, 10819, 14658, 14973, 16054, 19964, 21638, 24081, 29316, 29946, 32108, 32457, 43276, 48162, 56189, 59892, 64914, 75733, 96324, 112378, 129828, 151466, 168567, 224756, 227199, 248837, 302932, 337134, 454398, 497674, 674268, 746511, 908796, 995348, 1493022, 1741859, 2986044, 3483718, 5225577, 6967436, 10451154, 20902308]

約数ペア:

[(1, 20902308), (2, 10451154), (3, 6967436), (4, 5225577), (6, 3483718), (7, 2986044), (12, 1741859), (14, 1493022), (21, 995348), (23, 908796), (28, 746511), (31, 674268), (42, 497674), (46, 454398), (62, 337134), (69, 302932), (84, 248837), (92, 227199), (93, 224756), (124, 168567), (138, 151466), (161, 129828), (186, 112378), (217, 96324), (276, 75733), (322, 64914), (349, 59892), (372, 56189), (434, 48162), (483, 43276), (644, 32457), (651, 32108), (698, 29946), (713, 29316), (868, 24081), (966, 21638), (1047, 19964), (1302, 16054), (1396, 14973), (1426, 14658), (1932, 10819), (2094, 9982), (2139, 9772), (2443, 8556), (2604, 8027), (2852, 7329), (4188, 4991), (4278, 4886)]