20329428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 57745408

約数和(自身を除く): 37415980

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 37, 42, 62, 74, 84, 93, 111, 124, 148, 186, 211, 217, 222, 259, 372, 422, 434, 444, 518, 633, 651, 777, 844, 868, 1036, 1147, 1266, 1302, 1477, 1554, 2294, 2532, 2604, 2954, 3108, 3441, 4431, 4588, 5908, 6541, 6882, 7807, 8029, 8862, 13082, 13764, 15614, 16058, 17724, 19623, 23421, 24087, 26164, 31228, 32116, 39246, 45787, 46842, 48174, 54649, 78492, 91574, 93684, 96348, 109298, 137361, 163947, 183148, 218596, 242017, 274722, 327894, 484034, 549444, 655788, 726051, 968068, 1452102, 1694119, 2904204, 3388238, 5082357, 6776476, 10164714, 20329428]

約数ペア:

[(1, 20329428), (2, 10164714), (3, 6776476), (4, 5082357), (6, 3388238), (7, 2904204), (12, 1694119), (14, 1452102), (21, 968068), (28, 726051), (31, 655788), (37, 549444), (42, 484034), (62, 327894), (74, 274722), (84, 242017), (93, 218596), (111, 183148), (124, 163947), (148, 137361), (186, 109298), (211, 96348), (217, 93684), (222, 91574), (259, 78492), (372, 54649), (422, 48174), (434, 46842), (444, 45787), (518, 39246), (633, 32116), (651, 31228), (777, 26164), (844, 24087), (868, 23421), (1036, 19623), (1147, 17724), (1266, 16058), (1302, 15614), (1477, 13764), (1554, 13082), (2294, 8862), (2532, 8029), (2604, 7807), (2954, 6882), (3108, 6541), (3441, 5908), (4431, 4588)]