20533408

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2957}}^1$

素因数の和:3005

約数の個数: 48

約数和(自身を含む): 47706624

約数和(自身を除く): 27173216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 2957, 3472, 5914, 6944, 11828, 20699, 23656, 41398, 47312, 82796, 91667, 94624, 165592, 183334, 331184, 366668, 641669, 662368, 733336, 1283338, 1466672, 2566676, 2933344, 5133352, 10266704, 20533408]

約数ペア:

[(1, 20533408), (2, 10266704), (4, 5133352), (7, 2933344), (8, 2566676), (14, 1466672), (16, 1283338), (28, 733336), (31, 662368), (32, 641669), (56, 366668), (62, 331184), (112, 183334), (124, 165592), (217, 94624), (224, 91667), (248, 82796), (434, 47312), (496, 41398), (868, 23656), (992, 20699), (1736, 11828), (2957, 6944), (3472, 5914)]