20874616

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{853}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 49190400

約数和(自身を除く): 28315784

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 46, 56, 76, 92, 133, 152, 161, 184, 266, 322, 437, 532, 644, 853, 874, 1064, 1288, 1706, 1748, 3059, 3412, 3496, 5971, 6118, 6824, 11942, 12236, 16207, 19619, 23884, 24472, 32414, 39238, 47768, 64828, 78476, 113449, 129656, 137333, 156952, 226898, 274666, 372761, 453796, 549332, 745522, 907592, 1098664, 1491044, 2609327, 2982088, 5218654, 10437308, 20874616]

約数ペア:

[(1, 20874616), (2, 10437308), (4, 5218654), (7, 2982088), (8, 2609327), (14, 1491044), (19, 1098664), (23, 907592), (28, 745522), (38, 549332), (46, 453796), (56, 372761), (76, 274666), (92, 226898), (133, 156952), (152, 137333), (161, 129656), (184, 113449), (266, 78476), (322, 64828), (437, 47768), (532, 39238), (644, 32414), (853, 24472), (874, 23884), (1064, 19619), (1288, 16207), (1706, 12236), (1748, 11942), (3059, 6824), (3412, 6118), (3496, 5971)]