20051808

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:636

約数の個数: 96

約数和(自身を含む): 61399296

約数和(自身を除く): 41347488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 53, 56, 84, 96, 106, 112, 159, 168, 212, 224, 318, 336, 371, 424, 563, 636, 672, 742, 848, 1113, 1126, 1272, 1484, 1689, 1696, 2226, 2252, 2544, 2968, 3378, 3941, 4452, 4504, 5088, 5936, 6756, 7882, 8904, 9008, 11823, 11872, 13512, 15764, 17808, 18016, 23646, 27024, 29839, 31528, 35616, 47292, 54048, 59678, 63056, 89517, 94584, 119356, 126112, 179034, 189168, 208873, 238712, 358068, 378336, 417746, 477424, 626619, 716136, 835492, 954848, 1253238, 1432272, 1670984, 2506476, 2864544, 3341968, 5012952, 6683936, 10025904, 20051808]

約数ペア:

[(1, 20051808), (2, 10025904), (3, 6683936), (4, 5012952), (6, 3341968), (7, 2864544), (8, 2506476), (12, 1670984), (14, 1432272), (16, 1253238), (21, 954848), (24, 835492), (28, 716136), (32, 626619), (42, 477424), (48, 417746), (53, 378336), (56, 358068), (84, 238712), (96, 208873), (106, 189168), (112, 179034), (159, 126112), (168, 119356), (212, 94584), (224, 89517), (318, 63056), (336, 59678), (371, 54048), (424, 47292), (563, 35616), (636, 31528), (672, 29839), (742, 27024), (848, 23646), (1113, 18016), (1126, 17808), (1272, 15764), (1484, 13512), (1689, 11872), (1696, 11823), (2226, 9008), (2252, 8904), (2544, 7882), (2968, 6756), (3378, 5936), (3941, 5088), (4452, 4504)]