20015152

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:565

約数の個数: 40

約数和(自身を含む): 40863456

約数和(自身を除く): 20848304

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 137, 184, 274, 368, 397, 548, 794, 1096, 1588, 2192, 3151, 3176, 6302, 6352, 9131, 12604, 18262, 25208, 36524, 50416, 54389, 73048, 108778, 146096, 217556, 435112, 870224, 1250947, 2501894, 5003788, 10007576, 20015152]

約数ペア:

[(1, 20015152), (2, 10007576), (4, 5003788), (8, 2501894), (16, 1250947), (23, 870224), (46, 435112), (92, 217556), (137, 146096), (184, 108778), (274, 73048), (368, 54389), (397, 50416), (548, 36524), (794, 25208), (1096, 18262), (1588, 12604), (2192, 9131), (3151, 6352), (3176, 6302)]