20348556

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 49082880

約数和(自身を除く): 28734324

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 109, 141, 188, 218, 282, 327, 331, 436, 564, 654, 662, 993, 1308, 1324, 1986, 3972, 5123, 10246, 15369, 15557, 20492, 30738, 31114, 36079, 46671, 61476, 62228, 72158, 93342, 108237, 144316, 186684, 216474, 432948, 1695713, 3391426, 5087139, 6782852, 10174278, 20348556]

約数ペア:

[(1, 20348556), (2, 10174278), (3, 6782852), (4, 5087139), (6, 3391426), (12, 1695713), (47, 432948), (94, 216474), (109, 186684), (141, 144316), (188, 108237), (218, 93342), (282, 72158), (327, 62228), (331, 61476), (436, 46671), (564, 36079), (654, 31114), (662, 30738), (993, 20492), (1308, 15557), (1324, 15369), (1986, 10246), (3972, 5123)]