20762672

素因数分解:

$2^4\times 7^2\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:466

約数の個数: 60

約数和(自身を含む): 47581776

約数和(自身を除く): 26819104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 71, 98, 112, 142, 196, 284, 373, 392, 497, 568, 746, 784, 994, 1136, 1492, 1988, 2611, 2984, 3479, 3976, 5222, 5968, 6958, 7952, 10444, 13916, 18277, 20888, 26483, 27832, 36554, 41776, 52966, 55664, 73108, 105932, 146216, 185381, 211864, 292432, 370762, 423728, 741524, 1297667, 1483048, 2595334, 2966096, 5190668, 10381336, 20762672]

約数ペア:

[(1, 20762672), (2, 10381336), (4, 5190668), (7, 2966096), (8, 2595334), (14, 1483048), (16, 1297667), (28, 741524), (49, 423728), (56, 370762), (71, 292432), (98, 211864), (112, 185381), (142, 146216), (196, 105932), (284, 73108), (373, 55664), (392, 52966), (497, 41776), (568, 36554), (746, 27832), (784, 26483), (994, 20888), (1136, 18277), (1492, 13916), (1988, 10444), (2611, 7952), (2984, 6958), (3479, 5968), (3976, 5222)]