20963936

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3019}}^1$

素因数の和:3067

約数の個数: 48

約数和(自身を含む): 48706560

約数和(自身を除く): 27742624

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, 3019, 3472, 6038, 6944, 12076, 21133, 24152, 42266, 48304, 84532, 93589, 96608, 169064, 187178, 338128, 374356, 655123, 676256, 748712, 1310246, 1497424, 2620492, 2994848, 5240984, 10481968, 20963936]

約数ペア:

[(1, 20963936), (2, 10481968), (4, 5240984), (7, 2994848), (8, 2620492), (14, 1497424), (16, 1310246), (28, 748712), (31, 676256), (32, 655123), (56, 374356), (62, 338128), (112, 187178), (124, 169064), (217, 96608), (224, 93589), (248, 84532), (434, 48304), (496, 42266), (868, 24152), (992, 21133), (1736, 12076), (3019, 6944), (3472, 6038)]