20816432

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2$

素因数の和:103

約数の個数: 120

約数和(自身を含む): 54434016

約数和(自身を除く): 33617584

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 29, 34, 52, 56, 58, 68, 91, 104, 112, 116, 119, 136, 182, 203, 208, 221, 232, 238, 272, 364, 377, 406, 442, 464, 476, 493, 728, 754, 812, 841, 884, 952, 986, 1456, 1508, 1547, 1624, 1682, 1768, 1904, 1972, 2639, 3016, 3094, 3248, 3364, 3451, 3536, 3944, 5278, 5887, 6032, 6188, 6409, 6728, 6902, 7888, 10556, 10933, 11774, 12376, 12818, 13456, 13804, 14297, 21112, 21866, 23548, 24752, 25636, 27608, 28594, 42224, 43732, 44863, 47096, 51272, 55216, 57188, 76531, 87464, 89726, 94192, 100079, 102544, 114376, 153062, 174928, 179452, 185861, 200158, 228752, 306124, 358904, 371722, 400316, 612248, 717808, 743444, 800632, 1224496, 1301027, 1486888, 1601264, 2602054, 2973776, 5204108, 10408216, 20816432]

約数ペア:

[(1, 20816432), (2, 10408216), (4, 5204108), (7, 2973776), (8, 2602054), (13, 1601264), (14, 1486888), (16, 1301027), (17, 1224496), (26, 800632), (28, 743444), (29, 717808), (34, 612248), (52, 400316), (56, 371722), (58, 358904), (68, 306124), (91, 228752), (104, 200158), (112, 185861), (116, 179452), (119, 174928), (136, 153062), (182, 114376), (203, 102544), (208, 100079), (221, 94192), (232, 89726), (238, 87464), (272, 76531), (364, 57188), (377, 55216), (406, 51272), (442, 47096), (464, 44863), (476, 43732), (493, 42224), (728, 28594), (754, 27608), (812, 25636), (841, 24752), (884, 23548), (952, 21866), (986, 21112), (1456, 14297), (1508, 13804), (1547, 13456), (1624, 12818), (1682, 12376), (1768, 11774), (1904, 10933), (1972, 10556), (2639, 7888), (3016, 6902), (3094, 6728), (3248, 6409), (3364, 6188), (3451, 6032), (3536, 5887), (3944, 5278)]