20178954406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{11491}}^1$

素因数の和:11689

約数の個数: 64

約数和(自身を含む): 35968121280

約数和(自身を除く): 15789166874

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 137, 221, 274, 377, 442, 493, 754, 986, 1781, 2329, 3562, 3973, 4658, 6409, 7946, 11491, 12818, 22982, 30277, 51649, 60554, 67541, 103298, 135082, 149383, 195347, 298766, 333239, 390694, 666478, 878033, 1574267, 1756066, 2539511, 3148534, 4332107, 5079022, 5665063, 8664214, 11330126, 20465471, 26762539, 40930942, 45653743, 53525078, 73645819, 91307486, 147291638, 347913007, 593498659, 695826014, 776113631, 1186997318, 1552227262, 10089477203, 20178954406]

約数ペア:

[(1, 20178954406), (2, 10089477203), (13, 1552227262), (17, 1186997318), (26, 776113631), (29, 695826014), (34, 593498659), (58, 347913007), (137, 147291638), (221, 91307486), (274, 73645819), (377, 53525078), (442, 45653743), (493, 40930942), (754, 26762539), (986, 20465471), (1781, 11330126), (2329, 8664214), (3562, 5665063), (3973, 5079022), (4658, 4332107), (6409, 3148534), (7946, 2539511), (11491, 1756066), (12818, 1574267), (22982, 878033), (30277, 666478), (51649, 390694), (60554, 333239), (67541, 298766), (103298, 195347), (135082, 149383)]