20835650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 43309728

約数和(自身を除く): 22474078

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 110, 215, 275, 430, 473, 550, 881, 946, 1075, 1762, 2150, 2365, 4405, 4730, 8810, 9691, 11825, 19382, 22025, 23650, 37883, 44050, 48455, 75766, 96910, 189415, 242275, 378830, 416713, 484550, 833426, 947075, 1894150, 2083565, 4167130, 10417825, 20835650]

約数ペア:

[(1, 20835650), (2, 10417825), (5, 4167130), (10, 2083565), (11, 1894150), (22, 947075), (25, 833426), (43, 484550), (50, 416713), (55, 378830), (86, 242275), (110, 189415), (215, 96910), (275, 75766), (430, 48455), (473, 44050), (550, 37883), (881, 23650), (946, 22025), (1075, 19382), (1762, 11825), (2150, 9691), (2365, 8810), (4405, 4730)]