20747412

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 45296748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 29, 34, 36, 42, 51, 58, 63, 68, 84, 87, 102, 116, 119, 126, 153, 167, 174, 203, 204, 238, 252, 261, 306, 334, 348, 357, 406, 476, 493, 501, 522, 609, 612, 668, 714, 812, 986, 1002, 1044, 1071, 1169, 1218, 1428, 1479, 1503, 1827, 1972, 2004, 2142, 2338, 2436, 2839, 2958, 3006, 3451, 3507, 3654, 4284, 4437, 4676, 4843, 5678, 5916, 6012, 6902, 7014, 7308, 8517, 8874, 9686, 10353, 10521, 11356, 13804, 14028, 14529, 17034, 17748, 19372, 19873, 20706, 21042, 25551, 29058, 31059, 33901, 34068, 39746, 41412, 42084, 43587, 51102, 58116, 59619, 62118, 67802, 79492, 82331, 87174, 101703, 102204, 119238, 124236, 135604, 164662, 174348, 178857, 203406, 238476, 246993, 305109, 329324, 357714, 406812, 493986, 576317, 610218, 715428, 740979, 987972, 1152634, 1220436, 1481958, 1728951, 2305268, 2963916, 3457902, 5186853, 6915804, 10373706, 20747412]

約数ペア:

[(1, 20747412), (2, 10373706), (3, 6915804), (4, 5186853), (6, 3457902), (7, 2963916), (9, 2305268), (12, 1728951), (14, 1481958), (17, 1220436), (18, 1152634), (21, 987972), (28, 740979), (29, 715428), (34, 610218), (36, 576317), (42, 493986), (51, 406812), (58, 357714), (63, 329324), (68, 305109), (84, 246993), (87, 238476), (102, 203406), (116, 178857), (119, 174348), (126, 164662), (153, 135604), (167, 124236), (174, 119238), (203, 102204), (204, 101703), (238, 87174), (252, 82331), (261, 79492), (306, 67802), (334, 62118), (348, 59619), (357, 58116), (406, 51102), (476, 43587), (493, 42084), (501, 41412), (522, 39746), (609, 34068), (612, 33901), (668, 31059), (714, 29058), (812, 25551), (986, 21042), (1002, 20706), (1044, 19873), (1071, 19372), (1169, 17748), (1218, 17034), (1428, 14529), (1479, 14028), (1503, 13804), (1827, 11356), (1972, 10521), (2004, 10353), (2142, 9686), (2338, 8874), (2436, 8517), (2839, 7308), (2958, 7014), (3006, 6902), (3451, 6012), (3507, 5916), (3654, 5678), (4284, 4843), (4437, 4676)]