16958920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38543}}^1$

素因数の和:38565

約数の個数: 32

約数和(自身を含む): 41627520

約数和(自身を除く): 24668600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 38543, 77086, 154172, 192715, 308344, 385430, 423973, 770860, 847946, 1541720, 1695892, 2119865, 3391784, 4239730, 8479460, 16958920]

約数ペア:

[(1, 16958920), (2, 8479460), (4, 4239730), (5, 3391784), (8, 2119865), (10, 1695892), (11, 1541720), (20, 847946), (22, 770860), (40, 423973), (44, 385430), (55, 308344), (88, 192715), (110, 154172), (220, 77086), (440, 38543)]