20464596

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{9973}}^1$

素因数の和:10005

約数の個数: 48

約数和(自身を含む): 55854400

約数和(自身を除く): 35389804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 9973, 19946, 29919, 39892, 59838, 89757, 119676, 179514, 189487, 269271, 359028, 378974, 538542, 568461, 757948, 1077084, 1136922, 1705383, 2273844, 3410766, 5116149, 6821532, 10232298, 20464596]

約数ペア:

[(1, 20464596), (2, 10232298), (3, 6821532), (4, 5116149), (6, 3410766), (9, 2273844), (12, 1705383), (18, 1136922), (19, 1077084), (27, 757948), (36, 568461), (38, 538542), (54, 378974), (57, 359028), (76, 269271), (108, 189487), (114, 179514), (171, 119676), (228, 89757), (342, 59838), (513, 39892), (684, 29919), (1026, 19946), (2052, 9973)]