20397120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21247}}^1$

素因数の和:21267

約数の個数: 56

約数和(自身を含む): 64763904

約数和(自身を除く): 44366784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21247, 42494, 63741, 84988, 106235, 127482, 169976, 212470, 254964, 318705, 339952, 424940, 509928, 637410, 679904, 849880, 1019856, 1274820, 1359808, 1699760, 2039712, 2549640, 3399520, 4079424, 5099280, 6799040, 10198560, 20397120]

約数ペア:

[(1, 20397120), (2, 10198560), (3, 6799040), (4, 5099280), (5, 4079424), (6, 3399520), (8, 2549640), (10, 2039712), (12, 1699760), (15, 1359808), (16, 1274820), (20, 1019856), (24, 849880), (30, 679904), (32, 637410), (40, 509928), (48, 424940), (60, 339952), (64, 318705), (80, 254964), (96, 212470), (120, 169976), (160, 127482), (192, 106235), (240, 84988), (320, 63741), (480, 42494), (960, 21247)]