20450358

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1051}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 47264256

約数和(自身を除く): 26813898

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 47, 69, 94, 138, 141, 207, 282, 414, 423, 846, 1051, 1081, 2102, 2162, 3153, 3243, 6306, 6486, 9459, 9729, 18918, 19458, 24173, 48346, 49397, 72519, 98794, 145038, 148191, 217557, 296382, 435114, 444573, 889146, 1136131, 2272262, 3408393, 6816786, 10225179, 20450358]

約数ペア:

[(1, 20450358), (2, 10225179), (3, 6816786), (6, 3408393), (9, 2272262), (18, 1136131), (23, 889146), (46, 444573), (47, 435114), (69, 296382), (94, 217557), (138, 148191), (141, 145038), (207, 98794), (282, 72519), (414, 49397), (423, 48346), (846, 24173), (1051, 19458), (1081, 18918), (2102, 9729), (2162, 9459), (3153, 6486), (3243, 6306)]