20747209968

素因数分解:

$2^4\times 3^3\times {\mathrm{223}}^1\times {\mathrm{283}}^1\times {\mathrm{761}}^1$

素因数の和:1284

約数の個数: 160

約数和(自身を含む): 60109486080

約数和(自身を除く): 39362276112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 223, 283, 432, 446, 566, 669, 761, 849, 892, 1132, 1338, 1522, 1698, 1784, 2007, 2264, 2283, 2547, 2676, 3044, 3396, 3568, 4014, 4528, 4566, 5094, 5352, 6021, 6088, 6792, 6849, 7641, 8028, 9132, 10188, 10704, 12042, 12176, 13584, 13698, 15282, 16056, 18264, 20376, 20547, 24084, 27396, 30564, 32112, 36528, 40752, 41094, 48168, 54792, 61128, 63109, 82188, 96336, 109584, 122256, 126218, 164376, 169703, 189327, 215363, 252436, 328752, 339406, 378654, 430726, 504872, 509109, 567981, 646089, 678812, 757308, 861452, 1009744, 1018218, 1135962, 1292178, 1357624, 1514616, 1527327, 1703943, 1722904, 1938267, 2036436, 2271924, 2584356, 2715248, 3029232, 3054654, 3407886, 3445808, 3876534, 4072872, 4543848, 4581981, 5168712, 5814801, 6109308, 6815772, 7753068, 8145744, 9087696, 9163962, 10337424, 11629602, 12218616, 13631544, 15506136, 18327924, 23259204, 24437232, 27263088, 31012272, 36655848, 46518408, 48025949, 73311696, 93036816, 96051898, 144077847, 192103796, 288155694, 384207592, 432233541, 576311388, 768415184, 864467082, 1152622776, 1296700623, 1728934164, 2305245552, 2593401246, 3457868328, 5186802492, 6915736656, 10373604984, 20747209968]

約数ペア:

[(1, 20747209968), (2, 10373604984), (3, 6915736656), (4, 5186802492), (6, 3457868328), (8, 2593401246), (9, 2305245552), (12, 1728934164), (16, 1296700623), (18, 1152622776), (24, 864467082), (27, 768415184), (36, 576311388), (48, 432233541), (54, 384207592), (72, 288155694), (108, 192103796), (144, 144077847), (216, 96051898), (223, 93036816), (283, 73311696), (432, 48025949), (446, 46518408), (566, 36655848), (669, 31012272), (761, 27263088), (849, 24437232), (892, 23259204), (1132, 18327924), (1338, 15506136), (1522, 13631544), (1698, 12218616), (1784, 11629602), (2007, 10337424), (2264, 9163962), (2283, 9087696), (2547, 8145744), (2676, 7753068), (3044, 6815772), (3396, 6109308), (3568, 5814801), (4014, 5168712), (4528, 4581981), (4566, 4543848), (5094, 4072872), (5352, 3876534), (6021, 3445808), (6088, 3407886), (6792, 3054654), (6849, 3029232), (7641, 2715248), (8028, 2584356), (9132, 2271924), (10188, 2036436), (10704, 1938267), (12042, 1722904), (12176, 1703943), (13584, 1527327), (13698, 1514616), (15282, 1357624), (16056, 1292178), (18264, 1135962), (20376, 1018218), (20547, 1009744), (24084, 861452), (27396, 757308), (30564, 678812), (32112, 646089), (36528, 567981), (40752, 509109), (41094, 504872), (48168, 430726), (54792, 378654), (61128, 339406), (63109, 328752), (82188, 252436), (96336, 215363), (109584, 189327), (122256, 169703), (126218, 164376)]