20914560

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3631}}^1$

素因数の和:3656

約数の個数: 96

約数和(自身を含む): 72240480

約数和(自身を除く): 51325920

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3631, 5760, 7262, 10893, 14524, 18155, 21786, 29048, 32679, 36310, 43572, 54465, 58096, 65358, 72620, 87144, 108930, 116192, 130716, 145240, 163395, 174288, 217860, 232384, 261432, 290480, 326790, 348576, 435720, 464768, 522864, 580960, 653580, 697152, 871440, 1045728, 1161920, 1307160, 1394304, 1742880, 2091456, 2323840, 2614320, 3485760, 4182912, 5228640, 6971520, 10457280, 20914560]

約数ペア:

[(1, 20914560), (2, 10457280), (3, 6971520), (4, 5228640), (5, 4182912), (6, 3485760), (8, 2614320), (9, 2323840), (10, 2091456), (12, 1742880), (15, 1394304), (16, 1307160), (18, 1161920), (20, 1045728), (24, 871440), (30, 697152), (32, 653580), (36, 580960), (40, 522864), (45, 464768), (48, 435720), (60, 348576), (64, 326790), (72, 290480), (80, 261432), (90, 232384), (96, 217860), (120, 174288), (128, 163395), (144, 145240), (160, 130716), (180, 116192), (192, 108930), (240, 87144), (288, 72620), (320, 65358), (360, 58096), (384, 54465), (480, 43572), (576, 36310), (640, 32679), (720, 29048), (960, 21786), (1152, 18155), (1440, 14524), (1920, 10893), (2880, 7262), (3631, 5760)]