20163816892

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{419}}^1\times {\mathrm{421}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 38478449520

約数和(自身を除く): 18314632628

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 419, 421, 697, 838, 842, 1394, 1676, 1681, 1684, 2788, 3362, 6724, 7123, 7157, 14246, 14314, 17179, 17261, 28492, 28577, 28628, 34358, 34522, 57154, 68716, 69044, 114308, 176399, 292043, 293437, 352798, 584086, 586874, 704339, 705596, 707701, 1168172, 1173748, 1408678, 1415402, 2817356, 2830804, 2998783, 5997566, 7232359, 11973763, 11995132, 12030917, 14464718, 23947526, 24061834, 28929436, 47895052, 48123668, 122950103, 245900206, 296526719, 491800412, 593053438, 1186106876, 5040954223, 10081908446, 20163816892]

約数ペア:

[(1, 20163816892), (2, 10081908446), (4, 5040954223), (17, 1186106876), (34, 593053438), (41, 491800412), (68, 296526719), (82, 245900206), (164, 122950103), (419, 48123668), (421, 47895052), (697, 28929436), (838, 24061834), (842, 23947526), (1394, 14464718), (1676, 12030917), (1681, 11995132), (1684, 11973763), (2788, 7232359), (3362, 5997566), (6724, 2998783), (7123, 2830804), (7157, 2817356), (14246, 1415402), (14314, 1408678), (17179, 1173748), (17261, 1168172), (28492, 707701), (28577, 705596), (28628, 704339), (34358, 586874), (34522, 584086), (57154, 352798), (68716, 293437), (69044, 292043), (114308, 176399)]