20171460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 60383232

約数和(自身を除く): 40211772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 47, 60, 69, 92, 94, 115, 138, 141, 188, 230, 235, 276, 282, 311, 345, 460, 470, 564, 622, 690, 705, 933, 940, 1081, 1244, 1380, 1410, 1555, 1866, 2162, 2820, 3110, 3243, 3732, 4324, 4665, 5405, 6220, 6486, 7153, 9330, 10810, 12972, 14306, 14617, 16215, 18660, 21459, 21620, 28612, 29234, 32430, 35765, 42918, 43851, 58468, 64860, 71530, 73085, 85836, 87702, 107295, 143060, 146170, 175404, 214590, 219255, 292340, 336191, 429180, 438510, 672382, 877020, 1008573, 1344764, 1680955, 2017146, 3361910, 4034292, 5042865, 6723820, 10085730, 20171460]

約数ペア:

[(1, 20171460), (2, 10085730), (3, 6723820), (4, 5042865), (5, 4034292), (6, 3361910), (10, 2017146), (12, 1680955), (15, 1344764), (20, 1008573), (23, 877020), (30, 672382), (46, 438510), (47, 429180), (60, 336191), (69, 292340), (92, 219255), (94, 214590), (115, 175404), (138, 146170), (141, 143060), (188, 107295), (230, 87702), (235, 85836), (276, 73085), (282, 71530), (311, 64860), (345, 58468), (460, 43851), (470, 42918), (564, 35765), (622, 32430), (690, 29234), (705, 28612), (933, 21620), (940, 21459), (1081, 18660), (1244, 16215), (1380, 14617), (1410, 14306), (1555, 12972), (1866, 10810), (2162, 9330), (2820, 7153), (3110, 6486), (3243, 6220), (3732, 5405), (4324, 4665)]