13731220

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4373}}^1$

素因数の和:4539

約数の個数: 24

約数和(自身を含む): 29025864

約数和(自身を除く): 15294644

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 4373, 8746, 17492, 21865, 43730, 87460, 686561, 1373122, 2746244, 3432805, 6865610, 13731220]

約数ペア:

[(1, 13731220), (2, 6865610), (4, 3432805), (5, 2746244), (10, 1373122), (20, 686561), (157, 87460), (314, 43730), (628, 21865), (785, 17492), (1570, 8746), (3140, 4373)]