20149761904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1217}}^1\times {\mathrm{2099}}^1$

素因数の和:3370

約数の個数: 80

約数和(自身を含む): 42817572000

約数和(自身を除く): 22667810096

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1217, 1972, 2099, 2434, 3944, 4198, 4868, 7888, 8396, 9736, 16792, 19472, 20689, 33584, 35293, 35683, 41378, 60871, 70586, 71366, 82756, 121742, 141172, 142732, 165512, 243484, 282344, 285464, 331024, 486968, 564688, 570928, 599981, 973936, 1034807, 1199962, 2069614, 2399924, 2554483, 4139228, 4799848, 5108966, 8278456, 9599696, 10217932, 16556912, 20435864, 40871728, 43426211, 74080007, 86852422, 148160014, 173704844, 296320028, 347409688, 592640056, 694819376, 1185280112, 1259360119, 2518720238, 5037440476, 10074880952, 20149761904]

約数ペア:

[(1, 20149761904), (2, 10074880952), (4, 5037440476), (8, 2518720238), (16, 1259360119), (17, 1185280112), (29, 694819376), (34, 592640056), (58, 347409688), (68, 296320028), (116, 173704844), (136, 148160014), (232, 86852422), (272, 74080007), (464, 43426211), (493, 40871728), (986, 20435864), (1217, 16556912), (1972, 10217932), (2099, 9599696), (2434, 8278456), (3944, 5108966), (4198, 4799848), (4868, 4139228), (7888, 2554483), (8396, 2399924), (9736, 2069614), (16792, 1199962), (19472, 1034807), (20689, 973936), (33584, 599981), (35293, 570928), (35683, 564688), (41378, 486968), (60871, 331024), (70586, 285464), (71366, 282344), (82756, 243484), (121742, 165512), (141172, 142732)]