20850240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:644

約数の個数: 112

約数和(自身を含む): 68104512

約数和(自身を除く): 47254272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 148, 160, 185, 192, 222, 240, 296, 320, 370, 444, 480, 555, 587, 592, 740, 888, 960, 1110, 1174, 1184, 1480, 1761, 1776, 2220, 2348, 2368, 2935, 2960, 3522, 3552, 4440, 4696, 5870, 5920, 7044, 7104, 8805, 8880, 9392, 11740, 11840, 14088, 17610, 17760, 18784, 21719, 23480, 28176, 35220, 35520, 37568, 43438, 46960, 56352, 65157, 70440, 86876, 93920, 108595, 112704, 130314, 140880, 173752, 187840, 217190, 260628, 281760, 325785, 347504, 434380, 521256, 563520, 651570, 695008, 868760, 1042512, 1303140, 1390016, 1737520, 2085024, 2606280, 3475040, 4170048, 5212560, 6950080, 10425120, 20850240]

約数ペア:

[(1, 20850240), (2, 10425120), (3, 6950080), (4, 5212560), (5, 4170048), (6, 3475040), (8, 2606280), (10, 2085024), (12, 1737520), (15, 1390016), (16, 1303140), (20, 1042512), (24, 868760), (30, 695008), (32, 651570), (37, 563520), (40, 521256), (48, 434380), (60, 347504), (64, 325785), (74, 281760), (80, 260628), (96, 217190), (111, 187840), (120, 173752), (148, 140880), (160, 130314), (185, 112704), (192, 108595), (222, 93920), (240, 86876), (296, 70440), (320, 65157), (370, 56352), (444, 46960), (480, 43438), (555, 37568), (587, 35520), (592, 35220), (740, 28176), (888, 23480), (960, 21719), (1110, 18784), (1174, 17760), (1184, 17610), (1480, 14088), (1761, 11840), (1776, 11740), (2220, 9392), (2348, 8880), (2368, 8805), (2935, 7104), (2960, 7044), (3522, 5920), (3552, 5870), (4440, 4696)]