20000844

素因数分解:

$2^2\times 3^6\times {\mathrm{19}}^3$

素因数の和:79

約数の個数: 84

約数和(自身を含む): 55393240

約数和(自身を除く): 35392396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 361, 486, 513, 684, 722, 729, 972, 1026, 1083, 1444, 1458, 1539, 2052, 2166, 2916, 3078, 3249, 4332, 4617, 6156, 6498, 6859, 9234, 9747, 12996, 13718, 13851, 18468, 19494, 20577, 27436, 27702, 29241, 38988, 41154, 55404, 58482, 61731, 82308, 87723, 116964, 123462, 175446, 185193, 246924, 263169, 350892, 370386, 526338, 555579, 740772, 1052676, 1111158, 1666737, 2222316, 3333474, 5000211, 6666948, 10000422, 20000844]

約数ペア:

[(1, 20000844), (2, 10000422), (3, 6666948), (4, 5000211), (6, 3333474), (9, 2222316), (12, 1666737), (18, 1111158), (19, 1052676), (27, 740772), (36, 555579), (38, 526338), (54, 370386), (57, 350892), (76, 263169), (81, 246924), (108, 185193), (114, 175446), (162, 123462), (171, 116964), (228, 87723), (243, 82308), (324, 61731), (342, 58482), (361, 55404), (486, 41154), (513, 38988), (684, 29241), (722, 27702), (729, 27436), (972, 20577), (1026, 19494), (1083, 18468), (1444, 13851), (1458, 13718), (1539, 12996), (2052, 9747), (2166, 9234), (2916, 6859), (3078, 6498), (3249, 6156), (4332, 4617)]