20178852480

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3503273}}^1$

素因数の和:3503298

約数の個数: 96

約数和(自身を含む): 69680119860

約数和(自身を除く): 49501267380

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, 5760, 3503273, 7006546, 10509819, 14013092, 17516365, 21019638, 28026184, 31529457, 35032730, 42039276, 52549095, 56052368, 63058914, 70065460, 84078552, 105098190, 112104736, 126117828, 140130920, 157647285, 168157104, 210196380, 224209472, 252235656, 280261840, 315294570, 336314208, 420392760, 448418944, 504471312, 560523680, 630589140, 672628416, 840785520, 1008942624, 1121047360, 1261178280, 1345256832, 1681571040, 2017885248, 2242094720, 2522356560, 3363142080, 4035770496, 5044713120, 6726284160, 10089426240, 20178852480]

約数ペア:

[(1, 20178852480), (2, 10089426240), (3, 6726284160), (4, 5044713120), (5, 4035770496), (6, 3363142080), (8, 2522356560), (9, 2242094720), (10, 2017885248), (12, 1681571040), (15, 1345256832), (16, 1261178280), (18, 1121047360), (20, 1008942624), (24, 840785520), (30, 672628416), (32, 630589140), (36, 560523680), (40, 504471312), (45, 448418944), (48, 420392760), (60, 336314208), (64, 315294570), (72, 280261840), (80, 252235656), (90, 224209472), (96, 210196380), (120, 168157104), (128, 157647285), (144, 140130920), (160, 126117828), (180, 112104736), (192, 105098190), (240, 84078552), (288, 70065460), (320, 63058914), (360, 56052368), (384, 52549095), (480, 42039276), (576, 35032730), (640, 31529457), (720, 28026184), (960, 21019638), (1152, 17516365), (1440, 14013092), (1920, 10509819), (2880, 7006546), (5760, 3503273)]