20950488

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^1\times {\mathrm{829}}^1$

素因数の和:863

約数の個数: 96

約数和(自身を含む): 63445200

約数和(自身を除く): 42494712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 243, 312, 324, 351, 468, 486, 648, 702, 829, 936, 972, 1053, 1404, 1658, 1944, 2106, 2487, 2808, 3159, 3316, 4212, 4974, 6318, 6632, 7461, 8424, 9948, 10777, 12636, 14922, 19896, 21554, 22383, 25272, 29844, 32331, 43108, 44766, 59688, 64662, 67149, 86216, 89532, 96993, 129324, 134298, 179064, 193986, 201447, 258648, 268596, 290979, 387972, 402894, 537192, 581958, 775944, 805788, 872937, 1163916, 1611576, 1745874, 2327832, 2618811, 3491748, 5237622, 6983496, 10475244, 20950488]

約数ペア:

[(1, 20950488), (2, 10475244), (3, 6983496), (4, 5237622), (6, 3491748), (8, 2618811), (9, 2327832), (12, 1745874), (13, 1611576), (18, 1163916), (24, 872937), (26, 805788), (27, 775944), (36, 581958), (39, 537192), (52, 402894), (54, 387972), (72, 290979), (78, 268596), (81, 258648), (104, 201447), (108, 193986), (117, 179064), (156, 134298), (162, 129324), (216, 96993), (234, 89532), (243, 86216), (312, 67149), (324, 64662), (351, 59688), (468, 44766), (486, 43108), (648, 32331), (702, 29844), (829, 25272), (936, 22383), (972, 21554), (1053, 19896), (1404, 14922), (1658, 12636), (1944, 10777), (2106, 9948), (2487, 8424), (2808, 7461), (3159, 6632), (3316, 6318), (4212, 4974)]