20869104

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10111}}^1$

素因数の和:10165

約数の個数: 40

約数和(自身を含む): 55171072

約数和(自身を除く): 34301968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10111, 20222, 30333, 40444, 60666, 80888, 121332, 161776, 242664, 434773, 485328, 869546, 1304319, 1739092, 2608638, 3478184, 5217276, 6956368, 10434552, 20869104]

約数ペア:

[(1, 20869104), (2, 10434552), (3, 6956368), (4, 5217276), (6, 3478184), (8, 2608638), (12, 1739092), (16, 1304319), (24, 869546), (43, 485328), (48, 434773), (86, 242664), (129, 161776), (172, 121332), (258, 80888), (344, 60666), (516, 40444), (688, 30333), (1032, 20222), (2064, 10111)]