20725632

素因数分解:

$2^7\times 3^4\times {\mathrm{1999}}^1$

素因数の和:2025

約数の個数: 80

約数和(自身を含む): 61710000

約数和(自身を除く): 40984368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 1999, 2592, 3456, 3998, 5184, 5997, 7996, 10368, 11994, 15992, 17991, 23988, 31984, 35982, 47976, 53973, 63968, 71964, 95952, 107946, 127936, 143928, 161919, 191904, 215892, 255872, 287856, 323838, 383808, 431784, 575712, 647676, 767616, 863568, 1151424, 1295352, 1727136, 2302848, 2590704, 3454272, 5181408, 6908544, 10362816, 20725632]

約数ペア:

[(1, 20725632), (2, 10362816), (3, 6908544), (4, 5181408), (6, 3454272), (8, 2590704), (9, 2302848), (12, 1727136), (16, 1295352), (18, 1151424), (24, 863568), (27, 767616), (32, 647676), (36, 575712), (48, 431784), (54, 383808), (64, 323838), (72, 287856), (81, 255872), (96, 215892), (108, 191904), (128, 161919), (144, 143928), (162, 127936), (192, 107946), (216, 95952), (288, 71964), (324, 63968), (384, 53973), (432, 47976), (576, 35982), (648, 31984), (864, 23988), (1152, 17991), (1296, 15992), (1728, 11994), (1999, 10368), (2592, 7996), (3456, 5997), (3998, 5184)]