20169105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 35417088

約数和(自身を除く): 15247983

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 251, 487, 753, 1255, 1461, 2435, 2761, 3765, 5357, 7305, 8283, 13805, 16071, 26785, 41415, 80355, 122237, 366711, 611185, 1344607, 1833555, 4033821, 6723035, 20169105]

約数ペア:

[(1, 20169105), (3, 6723035), (5, 4033821), (11, 1833555), (15, 1344607), (33, 611185), (55, 366711), (165, 122237), (251, 80355), (487, 41415), (753, 26785), (1255, 16071), (1461, 13805), (2435, 8283), (2761, 7305), (3765, 5357)]