20176769180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{325747}}^1$

素因数の和:325938

約数の個数: 48

約数和(自身を含む): 44875044480

約数和(自身を除く): 24698275300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 326, 380, 652, 815, 1630, 3097, 3260, 6194, 12388, 15485, 30970, 61940, 325747, 651494, 1302988, 1628735, 3257470, 6189193, 6514940, 12378386, 24756772, 30945965, 53096761, 61891930, 106193522, 123783860, 212387044, 265483805, 530967610, 1008838459, 1061935220, 2017676918, 4035353836, 5044192295, 10088384590, 20176769180]

約数ペア:

[(1, 20176769180), (2, 10088384590), (4, 5044192295), (5, 4035353836), (10, 2017676918), (19, 1061935220), (20, 1008838459), (38, 530967610), (76, 265483805), (95, 212387044), (163, 123783860), (190, 106193522), (326, 61891930), (380, 53096761), (652, 30945965), (815, 24756772), (1630, 12378386), (3097, 6514940), (3260, 6189193), (6194, 3257470), (12388, 1628735), (15485, 1302988), (30970, 651494), (61940, 325747)]