20157648

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3529}}^1$

素因数の和:3564

約数の個数: 80

約数和(自身を含む): 63031680

約数和(自身を除く): 42874032

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, 3529, 5712, 7058, 10587, 14116, 21174, 24703, 28232, 42348, 49406, 56464, 59993, 74109, 84696, 98812, 119986, 148218, 169392, 179979, 197624, 239972, 296436, 359958, 395248, 419951, 479944, 592872, 719916, 839902, 959888, 1185744, 1259853, 1439832, 1679804, 2519706, 2879664, 3359608, 5039412, 6719216, 10078824, 20157648]

約数ペア:

[(1, 20157648), (2, 10078824), (3, 6719216), (4, 5039412), (6, 3359608), (7, 2879664), (8, 2519706), (12, 1679804), (14, 1439832), (16, 1259853), (17, 1185744), (21, 959888), (24, 839902), (28, 719916), (34, 592872), (42, 479944), (48, 419951), (51, 395248), (56, 359958), (68, 296436), (84, 239972), (102, 197624), (112, 179979), (119, 169392), (136, 148218), (168, 119986), (204, 98812), (238, 84696), (272, 74109), (336, 59993), (357, 56464), (408, 49406), (476, 42348), (714, 28232), (816, 24703), (952, 21174), (1428, 14116), (1904, 10587), (2856, 7058), (3529, 5712)]