20395004160

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{171329}}^1$

素因数の和:171384

約数の個数: 144

約数和(自身を含む): 67238115840

約数和(自身を除く): 46843111680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3840, 3968, 4960, 5952, 7440, 7936, 9920, 11904, 14880, 19840, 23808, 29760, 39680, 59520, 119040, 171329, 342658, 513987, 685316, 856645, 1027974, 1370632, 1713290, 2055948, 2569935, 2741264, 3426580, 4111896, 5139870, 5311199, 5482528, 6853160, 8223792, 10279740, 10622398, 10965056, 13706320, 15933597, 16447584, 20559480, 21244796, 21930112, 26555995, 27412640, 31867194, 32895168, 41118960, 42489592, 43860224, 53111990, 54825280, 63734388, 65790336, 79667985, 82237920, 84979184, 106223980, 109650560, 127468776, 131580672, 159335970, 164475840, 169958368, 212447960, 219301120, 254937552, 318671940, 328951680, 339916736, 424895920, 509875104, 637343880, 657903360, 679833472, 849791840, 1019750208, 1274687760, 1359666944, 1699583680, 2039500416, 2549375520, 3399167360, 4079000832, 5098751040, 6798334720, 10197502080, 20395004160]

約数ペア:

[(1, 20395004160), (2, 10197502080), (3, 6798334720), (4, 5098751040), (5, 4079000832), (6, 3399167360), (8, 2549375520), (10, 2039500416), (12, 1699583680), (15, 1359666944), (16, 1274687760), (20, 1019750208), (24, 849791840), (30, 679833472), (31, 657903360), (32, 637343880), (40, 509875104), (48, 424895920), (60, 339916736), (62, 328951680), (64, 318671940), (80, 254937552), (93, 219301120), (96, 212447960), (120, 169958368), (124, 164475840), (128, 159335970), (155, 131580672), (160, 127468776), (186, 109650560), (192, 106223980), (240, 84979184), (248, 82237920), (256, 79667985), (310, 65790336), (320, 63734388), (372, 54825280), (384, 53111990), (465, 43860224), (480, 42489592), (496, 41118960), (620, 32895168), (640, 31867194), (744, 27412640), (768, 26555995), (930, 21930112), (960, 21244796), (992, 20559480), (1240, 16447584), (1280, 15933597), (1488, 13706320), (1860, 10965056), (1920, 10622398), (1984, 10279740), (2480, 8223792), (2976, 6853160), (3720, 5482528), (3840, 5311199), (3968, 5139870), (4960, 4111896), (5952, 3426580), (7440, 2741264), (7936, 2569935), (9920, 2055948), (11904, 1713290), (14880, 1370632), (19840, 1027974), (23808, 856645), (29760, 685316), (39680, 513987), (59520, 342658), (119040, 171329)]