20802912

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 59834880

約数和(自身を除く): 39031968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 79, 96, 104, 156, 158, 208, 211, 237, 312, 316, 416, 422, 474, 624, 632, 633, 844, 948, 1027, 1248, 1264, 1266, 1688, 1896, 2054, 2528, 2532, 2743, 3081, 3376, 3792, 4108, 5064, 5486, 6162, 6752, 7584, 8216, 8229, 10128, 10972, 12324, 16432, 16458, 16669, 20256, 21944, 24648, 32864, 32916, 33338, 43888, 49296, 50007, 65832, 66676, 87776, 98592, 100014, 131664, 133352, 200028, 216697, 263328, 266704, 400056, 433394, 533408, 650091, 800112, 866788, 1300182, 1600224, 1733576, 2600364, 3467152, 5200728, 6934304, 10401456, 20802912]

約数ペア:

[(1, 20802912), (2, 10401456), (3, 6934304), (4, 5200728), (6, 3467152), (8, 2600364), (12, 1733576), (13, 1600224), (16, 1300182), (24, 866788), (26, 800112), (32, 650091), (39, 533408), (48, 433394), (52, 400056), (78, 266704), (79, 263328), (96, 216697), (104, 200028), (156, 133352), (158, 131664), (208, 100014), (211, 98592), (237, 87776), (312, 66676), (316, 65832), (416, 50007), (422, 49296), (474, 43888), (624, 33338), (632, 32916), (633, 32864), (844, 24648), (948, 21944), (1027, 20256), (1248, 16669), (1264, 16458), (1266, 16432), (1688, 12324), (1896, 10972), (2054, 10128), (2528, 8229), (2532, 8216), (2743, 7584), (3081, 6752), (3376, 6162), (3792, 5486), (4108, 5064)]