20173782704

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1\times {\mathrm{1193}}^1$

素因数の和:1666

約数の個数: 80

約数和(自身を含む): 40896620544

約数和(自身を除く): 20722837840

約数列:

[1, 2, 4, 8, 16, 31, 62, 103, 124, 206, 248, 331, 412, 496, 662, 824, 1193, 1324, 1648, 2386, 2648, 3193, 4772, 5296, 6386, 9544, 10261, 12772, 19088, 20522, 25544, 34093, 36983, 41044, 51088, 68186, 73966, 82088, 122879, 136372, 147932, 164176, 245758, 272744, 295864, 394883, 491516, 545488, 591728, 789766, 983032, 1056883, 1579532, 1966064, 2113766, 3159064, 3809249, 4227532, 6318128, 7618498, 8455064, 12241373, 15236996, 16910128, 24482746, 30473992, 40672949, 48965492, 60947984, 81345898, 97930984, 162691796, 195861968, 325383592, 650767184, 1260861419, 2521722838, 5043445676, 10086891352, 20173782704]

約数ペア:

[(1, 20173782704), (2, 10086891352), (4, 5043445676), (8, 2521722838), (16, 1260861419), (31, 650767184), (62, 325383592), (103, 195861968), (124, 162691796), (206, 97930984), (248, 81345898), (331, 60947984), (412, 48965492), (496, 40672949), (662, 30473992), (824, 24482746), (1193, 16910128), (1324, 15236996), (1648, 12241373), (2386, 8455064), (2648, 7618498), (3193, 6318128), (4772, 4227532), (5296, 3809249), (6386, 3159064), (9544, 2113766), (10261, 1966064), (12772, 1579532), (19088, 1056883), (20522, 983032), (25544, 789766), (34093, 591728), (36983, 545488), (41044, 491516), (51088, 394883), (68186, 295864), (73966, 272744), (82088, 245758), (122879, 164176), (136372, 147932)]