20156530624

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{883}}^1\times {\mathrm{20981}}^1$

素因数の和:21893

約数の個数: 56

約数和(自身を含む): 42400929168

約数和(自身を除く): 22244398544

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 883, 1088, 1766, 3532, 7064, 14128, 15011, 20981, 28256, 30022, 41962, 56512, 60044, 83924, 120088, 167848, 240176, 335696, 356677, 480352, 671392, 713354, 960704, 1342784, 1426708, 2853416, 5706832, 11413664, 18526223, 22827328, 37052446, 74104892, 148209784, 296419568, 314945791, 592839136, 629891582, 1185678272, 1259783164, 2519566328, 5039132656, 10078265312, 20156530624]

約数ペア:

[(1, 20156530624), (2, 10078265312), (4, 5039132656), (8, 2519566328), (16, 1259783164), (17, 1185678272), (32, 629891582), (34, 592839136), (64, 314945791), (68, 296419568), (136, 148209784), (272, 74104892), (544, 37052446), (883, 22827328), (1088, 18526223), (1766, 11413664), (3532, 5706832), (7064, 2853416), (14128, 1426708), (15011, 1342784), (20981, 960704), (28256, 713354), (30022, 671392), (41962, 480352), (56512, 356677), (60044, 335696), (83924, 240176), (120088, 167848)]