20349480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 65214720

約数和(自身を除く): 44865240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 73, 92, 101, 115, 120, 138, 146, 184, 202, 219, 230, 276, 292, 303, 345, 365, 404, 438, 460, 505, 552, 584, 606, 690, 730, 808, 876, 920, 1010, 1095, 1212, 1380, 1460, 1515, 1679, 1752, 2020, 2190, 2323, 2424, 2760, 2920, 3030, 3358, 4040, 4380, 4646, 5037, 6060, 6716, 6969, 7373, 8395, 8760, 9292, 10074, 11615, 12120, 13432, 13938, 14746, 16790, 18584, 20148, 22119, 23230, 25185, 27876, 29492, 33580, 34845, 36865, 40296, 44238, 46460, 50370, 55752, 58984, 67160, 69690, 73730, 88476, 92920, 100740, 110595, 139380, 147460, 169579, 176952, 201480, 221190, 278760, 294920, 339158, 442380, 508737, 678316, 847895, 884760, 1017474, 1356632, 1695790, 2034948, 2543685, 3391580, 4069896, 5087370, 6783160, 10174740, 20349480]

約数ペア:

[(1, 20349480), (2, 10174740), (3, 6783160), (4, 5087370), (5, 4069896), (6, 3391580), (8, 2543685), (10, 2034948), (12, 1695790), (15, 1356632), (20, 1017474), (23, 884760), (24, 847895), (30, 678316), (40, 508737), (46, 442380), (60, 339158), (69, 294920), (73, 278760), (92, 221190), (101, 201480), (115, 176952), (120, 169579), (138, 147460), (146, 139380), (184, 110595), (202, 100740), (219, 92920), (230, 88476), (276, 73730), (292, 69690), (303, 67160), (345, 58984), (365, 55752), (404, 50370), (438, 46460), (460, 44238), (505, 40296), (552, 36865), (584, 34845), (606, 33580), (690, 29492), (730, 27876), (808, 25185), (876, 23230), (920, 22119), (1010, 20148), (1095, 18584), (1212, 16790), (1380, 14746), (1460, 13938), (1515, 13432), (1679, 12120), (1752, 11615), (2020, 10074), (2190, 9292), (2323, 8760), (2424, 8395), (2760, 7373), (2920, 6969), (3030, 6716), (3358, 6060), (4040, 5037), (4380, 4646)]