20803680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14447}}^1$

素因数の和:14468

約数の個数: 72

約数和(自身を含む): 70997472

約数和(自身を除く): 50193792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14447, 28894, 43341, 57788, 72235, 86682, 115576, 130023, 144470, 173364, 216705, 231152, 260046, 288940, 346728, 433410, 462304, 520092, 577880, 650115, 693456, 866820, 1040184, 1155760, 1300230, 1386912, 1733640, 2080368, 2311520, 2600460, 3467280, 4160736, 5200920, 6934560, 10401840, 20803680]

約数ペア:

[(1, 20803680), (2, 10401840), (3, 6934560), (4, 5200920), (5, 4160736), (6, 3467280), (8, 2600460), (9, 2311520), (10, 2080368), (12, 1733640), (15, 1386912), (16, 1300230), (18, 1155760), (20, 1040184), (24, 866820), (30, 693456), (32, 650115), (36, 577880), (40, 520092), (45, 462304), (48, 433410), (60, 346728), (72, 288940), (80, 260046), (90, 231152), (96, 216705), (120, 173364), (144, 144470), (160, 130023), (180, 115576), (240, 86682), (288, 72235), (360, 57788), (480, 43341), (720, 28894), (1440, 14447)]