20589948

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 54582528

約数和(自身を除く): 33992580

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 47, 86, 94, 129, 141, 172, 188, 258, 282, 283, 387, 423, 516, 564, 566, 774, 846, 849, 1132, 1548, 1692, 1698, 2021, 2547, 3396, 4042, 5094, 6063, 8084, 10188, 12126, 12169, 13301, 18189, 24252, 24338, 26602, 36378, 36507, 39903, 48676, 53204, 72756, 73014, 79806, 109521, 119709, 146028, 159612, 219042, 239418, 438084, 478836, 571943, 1143886, 1715829, 2287772, 3431658, 5147487, 6863316, 10294974, 20589948]

約数ペア:

[(1, 20589948), (2, 10294974), (3, 6863316), (4, 5147487), (6, 3431658), (9, 2287772), (12, 1715829), (18, 1143886), (36, 571943), (43, 478836), (47, 438084), (86, 239418), (94, 219042), (129, 159612), (141, 146028), (172, 119709), (188, 109521), (258, 79806), (282, 73014), (283, 72756), (387, 53204), (423, 48676), (516, 39903), (564, 36507), (566, 36378), (774, 26602), (846, 24338), (849, 24252), (1132, 18189), (1548, 13301), (1692, 12169), (1698, 12126), (2021, 10188), (2547, 8084), (3396, 6063), (4042, 5094)]