20460948

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2087}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 51448320

約数和(自身を除く): 30987372

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2087, 2451, 3268, 4174, 4902, 6261, 8348, 9804, 12522, 25044, 39653, 79306, 89741, 118959, 158612, 179482, 237918, 269223, 358964, 475836, 538446, 1076892, 1705079, 3410158, 5115237, 6820316, 10230474, 20460948]

約数ペア:

[(1, 20460948), (2, 10230474), (3, 6820316), (4, 5115237), (6, 3410158), (12, 1705079), (19, 1076892), (38, 538446), (43, 475836), (57, 358964), (76, 269223), (86, 237918), (114, 179482), (129, 158612), (172, 118959), (228, 89741), (258, 79306), (516, 39653), (817, 25044), (1634, 12522), (2087, 9804), (2451, 8348), (3268, 6261), (4174, 4902)]