20529120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2251}}^1$

素因数の和:2288

約数の個数: 96

約数和(自身を含む): 68100480

約数和(自身を除く): 47571360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2251, 2280, 3040, 4502, 4560, 6753, 9004, 9120, 11255, 13506, 18008, 22510, 27012, 33765, 36016, 42769, 45020, 54024, 67530, 72032, 85538, 90040, 108048, 128307, 135060, 171076, 180080, 213845, 216096, 256614, 270120, 342152, 360160, 427690, 513228, 540240, 641535, 684304, 855380, 1026456, 1080480, 1283070, 1368608, 1710760, 2052912, 2566140, 3421520, 4105824, 5132280, 6843040, 10264560, 20529120]

約数ペア:

[(1, 20529120), (2, 10264560), (3, 6843040), (4, 5132280), (5, 4105824), (6, 3421520), (8, 2566140), (10, 2052912), (12, 1710760), (15, 1368608), (16, 1283070), (19, 1080480), (20, 1026456), (24, 855380), (30, 684304), (32, 641535), (38, 540240), (40, 513228), (48, 427690), (57, 360160), (60, 342152), (76, 270120), (80, 256614), (95, 216096), (96, 213845), (114, 180080), (120, 171076), (152, 135060), (160, 128307), (190, 108048), (228, 90040), (240, 85538), (285, 72032), (304, 67530), (380, 54024), (456, 45020), (480, 42769), (570, 36016), (608, 33765), (760, 27012), (912, 22510), (1140, 18008), (1520, 13506), (1824, 11255), (2251, 9120), (2280, 9004), (3040, 6753), (4502, 4560)]