20274534

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:330

約数の個数: 72

約数和(自身を含む): 51787008

約数和(自身を除く): 31512474

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 127, 147, 181, 254, 294, 362, 381, 441, 543, 762, 882, 889, 1086, 1143, 1267, 1629, 1778, 2286, 2534, 2667, 3258, 3801, 5334, 6223, 7602, 8001, 8869, 11403, 12446, 16002, 17738, 18669, 22806, 22987, 26607, 37338, 45974, 53214, 56007, 68961, 79821, 112014, 137922, 159642, 160909, 206883, 321818, 413766, 482727, 965454, 1126363, 1448181, 2252726, 2896362, 3379089, 6758178, 10137267, 20274534]

約数ペア:

[(1, 20274534), (2, 10137267), (3, 6758178), (6, 3379089), (7, 2896362), (9, 2252726), (14, 1448181), (18, 1126363), (21, 965454), (42, 482727), (49, 413766), (63, 321818), (98, 206883), (126, 160909), (127, 159642), (147, 137922), (181, 112014), (254, 79821), (294, 68961), (362, 56007), (381, 53214), (441, 45974), (543, 37338), (762, 26607), (882, 22987), (889, 22806), (1086, 18669), (1143, 17738), (1267, 16002), (1629, 12446), (1778, 11403), (2286, 8869), (2534, 8001), (2667, 7602), (3258, 6223), (3801, 5334)]