16695980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3847}}^1$

素因数の和:3894

約数の個数: 48

約数和(自身を含む): 41373696

約数和(自身を除く): 24677716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 3847, 4340, 7694, 15388, 19235, 26929, 38470, 53858, 76940, 107716, 119257, 134645, 238514, 269290, 477028, 538580, 596285, 834799, 1192570, 1669598, 2385140, 3339196, 4173995, 8347990, 16695980]

約数ペア:

[(1, 16695980), (2, 8347990), (4, 4173995), (5, 3339196), (7, 2385140), (10, 1669598), (14, 1192570), (20, 834799), (28, 596285), (31, 538580), (35, 477028), (62, 269290), (70, 238514), (124, 134645), (140, 119257), (155, 107716), (217, 76940), (310, 53858), (434, 38470), (620, 26929), (868, 19235), (1085, 15388), (2170, 7694), (3847, 4340)]