20506122

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:154

約数の個数: 120

約数和(自身を含む): 57394656

約数和(自身を除く): 36888534

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 107, 117, 126, 162, 169, 182, 189, 214, 234, 273, 321, 338, 351, 378, 507, 546, 567, 642, 702, 749, 819, 963, 1014, 1053, 1134, 1183, 1391, 1498, 1521, 1638, 1926, 2106, 2247, 2366, 2457, 2782, 2889, 3042, 3549, 4173, 4494, 4563, 4914, 5778, 6741, 7098, 7371, 8346, 8667, 9126, 9737, 10647, 12519, 13482, 13689, 14742, 17334, 18083, 19474, 20223, 21294, 25038, 27378, 29211, 31941, 36166, 37557, 40446, 54249, 58422, 60669, 63882, 75114, 87633, 95823, 108498, 112671, 121338, 126581, 162747, 175266, 191646, 225342, 253162, 262899, 325494, 379743, 488241, 525798, 759486, 788697, 976482, 1139229, 1464723, 1577394, 2278458, 2929446, 3417687, 6835374, 10253061, 20506122]

約数ペア:

[(1, 20506122), (2, 10253061), (3, 6835374), (6, 3417687), (7, 2929446), (9, 2278458), (13, 1577394), (14, 1464723), (18, 1139229), (21, 976482), (26, 788697), (27, 759486), (39, 525798), (42, 488241), (54, 379743), (63, 325494), (78, 262899), (81, 253162), (91, 225342), (107, 191646), (117, 175266), (126, 162747), (162, 126581), (169, 121338), (182, 112671), (189, 108498), (214, 95823), (234, 87633), (273, 75114), (321, 63882), (338, 60669), (351, 58422), (378, 54249), (507, 40446), (546, 37557), (567, 36166), (642, 31941), (702, 29211), (749, 27378), (819, 25038), (963, 21294), (1014, 20223), (1053, 19474), (1134, 18083), (1183, 17334), (1391, 14742), (1498, 13689), (1521, 13482), (1638, 12519), (1926, 10647), (2106, 9737), (2247, 9126), (2366, 8667), (2457, 8346), (2782, 7371), (2889, 7098), (3042, 6741), (3549, 5778), (4173, 4914), (4494, 4563)]