20377320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3613}}^1$

素因数の和:3674

約数の個数: 64

約数和(自身を含む): 62449920

約数和(自身を除く): 42072600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3613, 5640, 7226, 10839, 14452, 18065, 21678, 28904, 36130, 43356, 54195, 72260, 86712, 108390, 144520, 169811, 216780, 339622, 433560, 509433, 679244, 849055, 1018866, 1358488, 1698110, 2037732, 2547165, 3396220, 4075464, 5094330, 6792440, 10188660, 20377320]

約数ペア:

[(1, 20377320), (2, 10188660), (3, 6792440), (4, 5094330), (5, 4075464), (6, 3396220), (8, 2547165), (10, 2037732), (12, 1698110), (15, 1358488), (20, 1018866), (24, 849055), (30, 679244), (40, 509433), (47, 433560), (60, 339622), (94, 216780), (120, 169811), (141, 144520), (188, 108390), (235, 86712), (282, 72260), (376, 54195), (470, 43356), (564, 36130), (705, 28904), (940, 21678), (1128, 18065), (1410, 14452), (1880, 10839), (2820, 7226), (3613, 5640)]