20183340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7823}}^1$

素因数の和:7878

約数の個数: 48

約数和(自身を含む): 57835008

約数和(自身を除く): 37651668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7823, 15646, 23469, 31292, 39115, 46938, 78230, 93876, 117345, 156460, 234690, 336389, 469380, 672778, 1009167, 1345556, 1681945, 2018334, 3363890, 4036668, 5045835, 6727780, 10091670, 20183340]

約数ペア:

[(1, 20183340), (2, 10091670), (3, 6727780), (4, 5045835), (5, 4036668), (6, 3363890), (10, 2018334), (12, 1681945), (15, 1345556), (20, 1009167), (30, 672778), (43, 469380), (60, 336389), (86, 234690), (129, 156460), (172, 117345), (215, 93876), (258, 78230), (430, 46938), (516, 39115), (645, 31292), (860, 23469), (1290, 15646), (2580, 7823)]