20566026

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{491}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 48353760

約数和(自身を除く): 27787734

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 179, 234, 358, 491, 537, 982, 1074, 1473, 1611, 2327, 2946, 3222, 4419, 4654, 6383, 6981, 8838, 12766, 13962, 19149, 20943, 38298, 41886, 57447, 87889, 114894, 175778, 263667, 527334, 791001, 1142557, 1582002, 2285114, 3427671, 6855342, 10283013, 20566026]

約数ペア:

[(1, 20566026), (2, 10283013), (3, 6855342), (6, 3427671), (9, 2285114), (13, 1582002), (18, 1142557), (26, 791001), (39, 527334), (78, 263667), (117, 175778), (179, 114894), (234, 87889), (358, 57447), (491, 41886), (537, 38298), (982, 20943), (1074, 19149), (1473, 13962), (1611, 12766), (2327, 8838), (2946, 6981), (3222, 6383), (4419, 4654)]