20431552

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:329

約数の個数: 56

約数和(自身を含む): 43616880

約数和(自身を除く): 23185328

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 89, 136, 178, 211, 272, 356, 422, 544, 712, 844, 1088, 1424, 1513, 1688, 2848, 3026, 3376, 3587, 5696, 6052, 6752, 7174, 12104, 13504, 14348, 18779, 24208, 28696, 37558, 48416, 57392, 75116, 96832, 114784, 150232, 229568, 300464, 319243, 600928, 638486, 1201856, 1276972, 2553944, 5107888, 10215776, 20431552]

約数ペア:

[(1, 20431552), (2, 10215776), (4, 5107888), (8, 2553944), (16, 1276972), (17, 1201856), (32, 638486), (34, 600928), (64, 319243), (68, 300464), (89, 229568), (136, 150232), (178, 114784), (211, 96832), (272, 75116), (356, 57392), (422, 48416), (544, 37558), (712, 28696), (844, 24208), (1088, 18779), (1424, 14348), (1513, 13504), (1688, 12104), (2848, 7174), (3026, 6752), (3376, 6052), (3587, 5696)]