20512652132

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2273}}^1\times {\mathrm{18959}}^1$

素因数の和:21260

約数の個数: 48

約数和(自身を含む): 43459960320

約数和(自身を除く): 22947308188

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 2273, 4546, 9092, 15911, 18959, 31822, 37918, 38641, 63644, 75836, 77282, 132713, 154564, 265426, 270487, 322303, 530852, 540974, 644606, 1081948, 1289212, 2256121, 4512242, 9024484, 43093807, 86187614, 172375228, 301656649, 603313298, 732594719, 1206626596, 1465189438, 2930378876, 5128163033, 10256326066, 20512652132]

約数ペア:

[(1, 20512652132), (2, 10256326066), (4, 5128163033), (7, 2930378876), (14, 1465189438), (17, 1206626596), (28, 732594719), (34, 603313298), (68, 301656649), (119, 172375228), (238, 86187614), (476, 43093807), (2273, 9024484), (4546, 4512242), (9092, 2256121), (15911, 1289212), (18959, 1081948), (31822, 644606), (37918, 540974), (38641, 530852), (63644, 322303), (75836, 270487), (77282, 265426), (132713, 154564)]