20395368

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 68947200

約数和(自身を除く): 48551832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 41, 42, 47, 49, 54, 56, 63, 72, 82, 84, 94, 98, 108, 123, 126, 141, 147, 164, 168, 188, 189, 196, 216, 246, 252, 282, 287, 294, 328, 329, 369, 376, 378, 392, 423, 441, 492, 504, 564, 574, 588, 658, 738, 756, 846, 861, 882, 984, 987, 1107, 1128, 1148, 1176, 1269, 1316, 1323, 1476, 1512, 1692, 1722, 1764, 1927, 1974, 2009, 2214, 2296, 2303, 2538, 2583, 2632, 2646, 2952, 2961, 3384, 3444, 3528, 3854, 3948, 4018, 4428, 4606, 5076, 5166, 5292, 5781, 5922, 6027, 6888, 6909, 7708, 7749, 7896, 8036, 8856, 8883, 9212, 10152, 10332, 10584, 11562, 11844, 12054, 13489, 13818, 15416, 15498, 16072, 17343, 17766, 18081, 18424, 20664, 20727, 23124, 23688, 24108, 26978, 27636, 30996, 34686, 35532, 36162, 40467, 41454, 46248, 48216, 52029, 53956, 54243, 55272, 61992, 62181, 69372, 71064, 72324, 80934, 82908, 94423, 104058, 107912, 108486, 121401, 124362, 138744, 144648, 161868, 165816, 188846, 208116, 216972, 242802, 248724, 283269, 323736, 364203, 377692, 416232, 433944, 485604, 497448, 566538, 728406, 755384, 849807, 971208, 1133076, 1456812, 1699614, 2266152, 2549421, 2913624, 3399228, 5098842, 6798456, 10197684, 20395368]

約数ペア:

[(1, 20395368), (2, 10197684), (3, 6798456), (4, 5098842), (6, 3399228), (7, 2913624), (8, 2549421), (9, 2266152), (12, 1699614), (14, 1456812), (18, 1133076), (21, 971208), (24, 849807), (27, 755384), (28, 728406), (36, 566538), (41, 497448), (42, 485604), (47, 433944), (49, 416232), (54, 377692), (56, 364203), (63, 323736), (72, 283269), (82, 248724), (84, 242802), (94, 216972), (98, 208116), (108, 188846), (123, 165816), (126, 161868), (141, 144648), (147, 138744), (164, 124362), (168, 121401), (188, 108486), (189, 107912), (196, 104058), (216, 94423), (246, 82908), (252, 80934), (282, 72324), (287, 71064), (294, 69372), (328, 62181), (329, 61992), (369, 55272), (376, 54243), (378, 53956), (392, 52029), (423, 48216), (441, 46248), (492, 41454), (504, 40467), (564, 36162), (574, 35532), (588, 34686), (658, 30996), (738, 27636), (756, 26978), (846, 24108), (861, 23688), (882, 23124), (984, 20727), (987, 20664), (1107, 18424), (1128, 18081), (1148, 17766), (1176, 17343), (1269, 16072), (1316, 15498), (1323, 15416), (1476, 13818), (1512, 13489), (1692, 12054), (1722, 11844), (1764, 11562), (1927, 10584), (1974, 10332), (2009, 10152), (2214, 9212), (2296, 8883), (2303, 8856), (2538, 8036), (2583, 7896), (2632, 7749), (2646, 7708), (2952, 6909), (2961, 6888), (3384, 6027), (3444, 5922), (3528, 5781), (3854, 5292), (3948, 5166), (4018, 5076), (4428, 4606)]