20265504

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:642

約数の個数: 96

約数和(自身を含む): 62052480

約数和(自身を除く): 41786976

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, 569, 636, 672, 742, 848, 1113, 1138, 1272, 1484, 1696, 1707, 2226, 2276, 2544, 2968, 3414, 3983, 4452, 4552, 5088, 5936, 6828, 7966, 8904, 9104, 11872, 11949, 13656, 15932, 17808, 18208, 23898, 27312, 30157, 31864, 35616, 47796, 54624, 60314, 63728, 90471, 95592, 120628, 127456, 180942, 191184, 211099, 241256, 361884, 382368, 422198, 482512, 633297, 723768, 844396, 965024, 1266594, 1447536, 1688792, 2533188, 2895072, 3377584, 5066376, 6755168, 10132752, 20265504]

約数ペア:

[(1, 20265504), (2, 10132752), (3, 6755168), (4, 5066376), (6, 3377584), (7, 2895072), (8, 2533188), (12, 1688792), (14, 1447536), (16, 1266594), (21, 965024), (24, 844396), (28, 723768), (32, 633297), (42, 482512), (48, 422198), (53, 382368), (56, 361884), (84, 241256), (96, 211099), (106, 191184), (112, 180942), (159, 127456), (168, 120628), (212, 95592), (224, 90471), (318, 63728), (336, 60314), (371, 54624), (424, 47796), (569, 35616), (636, 31864), (672, 30157), (742, 27312), (848, 23898), (1113, 18208), (1138, 17808), (1272, 15932), (1484, 13656), (1696, 11949), (1707, 11872), (2226, 9104), (2276, 8904), (2544, 7966), (2968, 6828), (3414, 5936), (3983, 5088), (4452, 4552)]