20216457090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{860641}}^1$

素因数の和:860689

約数の個数: 80

約数和(自身を含む): 56234348280

約数和(自身を除く): 36017891190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 81, 87, 90, 135, 145, 162, 174, 261, 270, 290, 405, 435, 522, 783, 810, 870, 1305, 1566, 2349, 2610, 3915, 4698, 7830, 11745, 23490, 860641, 1721282, 2581923, 4303205, 5163846, 7745769, 8606410, 12909615, 15491538, 23237307, 24958589, 25819230, 38728845, 46474614, 49917178, 69711921, 74875767, 77457690, 116186535, 124792945, 139423842, 149751534, 224627301, 232373070, 249585890, 348559605, 374378835, 449254602, 673881903, 697119210, 748757670, 1123136505, 1347763806, 2021645709, 2246273010, 3369409515, 4043291418, 6738819030, 10108228545, 20216457090]

約数ペア:

[(1, 20216457090), (2, 10108228545), (3, 6738819030), (5, 4043291418), (6, 3369409515), (9, 2246273010), (10, 2021645709), (15, 1347763806), (18, 1123136505), (27, 748757670), (29, 697119210), (30, 673881903), (45, 449254602), (54, 374378835), (58, 348559605), (81, 249585890), (87, 232373070), (90, 224627301), (135, 149751534), (145, 139423842), (162, 124792945), (174, 116186535), (261, 77457690), (270, 74875767), (290, 69711921), (405, 49917178), (435, 46474614), (522, 38728845), (783, 25819230), (810, 24958589), (870, 23237307), (1305, 15491538), (1566, 12909615), (2349, 8606410), (2610, 7745769), (3915, 5163846), (4698, 4303205), (7830, 2581923), (11745, 1721282), (23490, 860641)]