20348280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:330

約数の個数: 128

約数和(自身を含む): 68947200

約数和(自身を除く): 48598920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 83, 90, 108, 120, 135, 166, 180, 216, 227, 249, 270, 332, 360, 415, 454, 498, 540, 664, 681, 747, 830, 908, 996, 1080, 1135, 1245, 1362, 1494, 1660, 1816, 1992, 2043, 2241, 2270, 2490, 2724, 2988, 3320, 3405, 3735, 4086, 4482, 4540, 4980, 5448, 5976, 6129, 6810, 7470, 8172, 8964, 9080, 9960, 10215, 11205, 12258, 13620, 14940, 16344, 17928, 18841, 20430, 22410, 24516, 27240, 29880, 30645, 37682, 40860, 44820, 49032, 56523, 61290, 75364, 81720, 89640, 94205, 113046, 122580, 150728, 169569, 188410, 226092, 245160, 282615, 339138, 376820, 452184, 508707, 565230, 678276, 753640, 847845, 1017414, 1130460, 1356552, 1695690, 2034828, 2260920, 2543535, 3391380, 4069656, 5087070, 6782760, 10174140, 20348280]

約数ペア:

[(1, 20348280), (2, 10174140), (3, 6782760), (4, 5087070), (5, 4069656), (6, 3391380), (8, 2543535), (9, 2260920), (10, 2034828), (12, 1695690), (15, 1356552), (18, 1130460), (20, 1017414), (24, 847845), (27, 753640), (30, 678276), (36, 565230), (40, 508707), (45, 452184), (54, 376820), (60, 339138), (72, 282615), (83, 245160), (90, 226092), (108, 188410), (120, 169569), (135, 150728), (166, 122580), (180, 113046), (216, 94205), (227, 89640), (249, 81720), (270, 75364), (332, 61290), (360, 56523), (415, 49032), (454, 44820), (498, 40860), (540, 37682), (664, 30645), (681, 29880), (747, 27240), (830, 24516), (908, 22410), (996, 20430), (1080, 18841), (1135, 17928), (1245, 16344), (1362, 14940), (1494, 13620), (1660, 12258), (1816, 11205), (1992, 10215), (2043, 9960), (2241, 9080), (2270, 8964), (2490, 8172), (2724, 7470), (2988, 6810), (3320, 6129), (3405, 5976), (3735, 5448), (4086, 4980), (4482, 4540)]