20786579996

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1392829}}^1$

素因数の和:1392894

約数の個数: 48

約数和(自身を含む): 45863106240

約数和(自身を除く): 25076526244

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 2132, 3731, 7462, 14924, 1392829, 2785658, 5571316, 9749803, 18106777, 19499606, 36213554, 38999212, 57105989, 72427108, 114211978, 126747439, 228423956, 253494878, 399741923, 506989756, 742377857, 799483846, 1484755714, 1598967692, 2969511428, 5196644999, 10393289998, 20786579996]

約数ペア:

[(1, 20786579996), (2, 10393289998), (4, 5196644999), (7, 2969511428), (13, 1598967692), (14, 1484755714), (26, 799483846), (28, 742377857), (41, 506989756), (52, 399741923), (82, 253494878), (91, 228423956), (164, 126747439), (182, 114211978), (287, 72427108), (364, 57105989), (533, 38999212), (574, 36213554), (1066, 19499606), (1148, 18106777), (2132, 9749803), (3731, 5571316), (7462, 2785658), (14924, 1392829)]