20840328

素因数分解:

$2^3\times 3^4\times {\mathrm{29}}^1\times {\mathrm{1109}}^1$

素因数の和:1156

約数の個数: 80

約数和(自身を含む): 60439500

約数和(自身を除く): 39599172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 81, 87, 108, 116, 162, 174, 216, 232, 261, 324, 348, 522, 648, 696, 783, 1044, 1109, 1566, 2088, 2218, 2349, 3132, 3327, 4436, 4698, 6264, 6654, 8872, 9396, 9981, 13308, 18792, 19962, 26616, 29943, 32161, 39924, 59886, 64322, 79848, 89829, 96483, 119772, 128644, 179658, 192966, 239544, 257288, 289449, 359316, 385932, 578898, 718632, 771864, 868347, 1157796, 1736694, 2315592, 2605041, 3473388, 5210082, 6946776, 10420164, 20840328]

約数ペア:

[(1, 20840328), (2, 10420164), (3, 6946776), (4, 5210082), (6, 3473388), (8, 2605041), (9, 2315592), (12, 1736694), (18, 1157796), (24, 868347), (27, 771864), (29, 718632), (36, 578898), (54, 385932), (58, 359316), (72, 289449), (81, 257288), (87, 239544), (108, 192966), (116, 179658), (162, 128644), (174, 119772), (216, 96483), (232, 89829), (261, 79848), (324, 64322), (348, 59886), (522, 39924), (648, 32161), (696, 29943), (783, 26616), (1044, 19962), (1109, 18792), (1566, 13308), (2088, 9981), (2218, 9396), (2349, 8872), (3132, 6654), (3327, 6264), (4436, 4698)]