20351996

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23447}}^1$

素因数の和:23489

約数の個数: 24

約数和(自身を含む): 42018816

約数和(自身を除く): 21666820

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23447, 46894, 93788, 164129, 328258, 656516, 726857, 1453714, 2907428, 5087999, 10175998, 20351996]

約数ペア:

[(1, 20351996), (2, 10175998), (4, 5087999), (7, 2907428), (14, 1453714), (28, 726857), (31, 656516), (62, 328258), (124, 164129), (217, 93788), (434, 46894), (868, 23447)]