20164680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18671}}^1$

素因数の和:18691

約数の個数: 64

約数和(自身を含む): 67219200

約数和(自身を除く): 47054520

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, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18671, 37342, 56013, 74684, 93355, 112026, 149368, 168039, 186710, 224052, 280065, 336078, 373420, 448104, 504117, 560130, 672156, 746840, 840195, 1008234, 1120260, 1344312, 1680390, 2016468, 2240520, 2520585, 3360780, 4032936, 5041170, 6721560, 10082340, 20164680]

約数ペア:

[(1, 20164680), (2, 10082340), (3, 6721560), (4, 5041170), (5, 4032936), (6, 3360780), (8, 2520585), (9, 2240520), (10, 2016468), (12, 1680390), (15, 1344312), (18, 1120260), (20, 1008234), (24, 840195), (27, 746840), (30, 672156), (36, 560130), (40, 504117), (45, 448104), (54, 373420), (60, 336078), (72, 280065), (90, 224052), (108, 186710), (120, 168039), (135, 149368), (180, 112026), (216, 93355), (270, 74684), (360, 56013), (540, 37342), (1080, 18671)]