20397552

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3571}}^1$

素因数の和:3606

約数の個数: 80

約数和(自身を含む): 63781632

約数和(自身を除く): 43384080

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 68, 84, 102, 112, 119, 136, 168, 204, 238, 272, 336, 357, 408, 476, 714, 816, 952, 1428, 1904, 2856, 3571, 5712, 7142, 10713, 14284, 21426, 24997, 28568, 42852, 49994, 57136, 60707, 74991, 85704, 99988, 121414, 149982, 171408, 182121, 199976, 242828, 299964, 364242, 399952, 424949, 485656, 599928, 728484, 849898, 971312, 1199856, 1274847, 1456968, 1699796, 2549694, 2913936, 3399592, 5099388, 6799184, 10198776, 20397552]

約数ペア:

[(1, 20397552), (2, 10198776), (3, 6799184), (4, 5099388), (6, 3399592), (7, 2913936), (8, 2549694), (12, 1699796), (14, 1456968), (16, 1274847), (17, 1199856), (21, 971312), (24, 849898), (28, 728484), (34, 599928), (42, 485656), (48, 424949), (51, 399952), (56, 364242), (68, 299964), (84, 242828), (102, 199976), (112, 182121), (119, 171408), (136, 149982), (168, 121414), (204, 99988), (238, 85704), (272, 74991), (336, 60707), (357, 57136), (408, 49994), (476, 42852), (714, 28568), (816, 24997), (952, 21426), (1428, 14284), (1904, 10713), (2856, 7142), (3571, 5712)]